However, apart from the common culprits that thrive in the nutrient-rich soils, increasing temperatures in Michigan have also encouraged more weeds to thrive across the Midwestern State. 

In this article, we’ll look at the most prevalent weeds in Michigan, how to identify them, and the best strategies to effectively remove them.

1. Common Chickweed (Stellaria media)

• Local Name: Common Chickweed
• Family: Caryophyllaceae
• Annual or Perennial: Annual 

Common Chickweed is a small, low-growing winter annual that thrives in shady and moist landscape areas. It has teardrop-shaped light green leaves and small, star-like flowers. 

The broadleaf forms mounded patches about 3-7 inches tall that can smother seedlings of desirable plants and turf. 

The best removal methods include pulling, tillage best conducted in the fall, mulching in garden beds, crop rotation in wheat fields, or herbicides containing 2,4-D, dicamba, triclopyr, and mecocrop.

2. Broadleaf Plantain (Plantago major)

• Local Name: Broadleaf plantain
• Family: Plantaginaceae
• Annual or Perennial: Perennial 

Broadleaf Plantain is one of the most common weeds, only second to dandelion in Michigan. The broadleaf weed can adapt to a variety of soils, allowing it to grow in diverse areas, including manicured lawns, roadsides, and disturbed sites. 

You can easily identify it by its smooth, broad to narrow oval leaves that emerge from a rosette attached to a thick taproot and leafless slender spikes with tiny white flowers at the end of the spikes. 

Remove the weeds by pulling or digging, and ensure you remove the taproot. This is easier when the soil is moist, for instance, after irrigation or rain. Mulching and herbicides like glyphosate can also provide effective control against P. major. 

3. Smooth Crabgrass (Digitaria ischaemum)

• Local Name: Smooth Crabgrass or Small Crabgrass
• Family: Poaceae
• Annual or Perennial: Annual

Smooth Crabgrass is a warm-season grass weed that germinates in spring and grows throughout summer. It thrives in open areas, especially in vegetable gardens, lawns, roadsides, and sidewalks. 

You can differentiate it from other Digitaria species by its smooth leaves and stems with occasional hairs.

Since it’s a ground-hugging grass, it can get difficult to control if allowed to establish. Pull out the small mounds before they develop secondary fibrous roots. You can also consider a crabgrass preventer herbicide application for your lawn in to prevent germination in spring. 

4. Dandelion (Taraxacum officinale)

• Local Name: Dandelion
• Family: Asteraceae
• Annual or Perennial: Perennial 

No lawn or garden is immune to the most common weed in Michigan, the Dandelion. While it has stunning, bright yellow flowers that later become fluffy seed heads, it can easily take over your landscape. 

If left unchecked, the perennial weed can spread many seeds (15,000 per solitary dandelion) over large areas. Additionally, the taproot persists through winter to allow new sproutings in the next spring.

Pull out these weeds by hand or use dandelion removal tools to remove the entire taproot. In gardens, planting early can reduce space and competitiveness. Fall applications of herbicides like 2,4-D, glyphosate, and triclopyr can control larger infestations.

5. White Clover (Trifolium repens)

• Local Name: White Clover
• Family: Fabaceae
• Annual or Perennial: Perennial 

White clover is a creeping plant native to Europe and Asia that is popularly cultivated as a forage crop. In Michigan, clover is referred to more as a weed and can be found in open woods, dry meadows, pastures, and closer to home, in gardens and lawns with nutrient deficiencies. 

Clover can be easily identified by its trifoliate leaves and white to pink flowers. It is a nitrogen-fixing plant so, you may allow it to grow to benefit your soil and vegetation.

However, if you can’t stand the weed in your landscape, pull them out when young and maintain a healthy lawn that can outcompete the weed.

6. Quackgrass (Elymus repens)

• Local Name: Quackgrass, Quitch Grass, Knot Grass, Wheat Grass, or Couch Grass
• Family: Poaceae
• Annual or Perennial: Perennial 

Quackgrass is an aggressive weed commonly found in gardens, lawns, and crop fields. It is easily distinguished from other grasses by its evergreen, linear, blue-green color and wheat-shaped spikelets.

The highly competitive grass spreads by seeds and rhizomes and can lead to loss of aesthetic appeal in manicured spaces and high yield losses in cropping systems. 

Well-planned and repeated cultivation can help eradicate the grass. Ensure to clean the equipment and dispose of all the rhizome fragments to prevent reinfestation. 

Crop rotation of plants that accrue high biomass or competitive species like Hairy Vetch in crop fields can reduce the grass infestation.

Nicosulfuron in farms and postemergence herbicides like glyphosate are also effective in quackgrass control. 

7. Canada Thistle (Cirsium arvense)

• Local Name: Canada Thistle
• Family: Asteraceae
• Annual or Perennial: Perennial 

Canada Thistle is a perennial spring weed that grows in thick patches about 3-5 feet tall. It produces lance-shaped leaves with spiny margins and fuzzy undersides and pink to white flowers surrounded by flat bracts. 

It spreads aggressively by roots, expanding 6-10 feet wide in a single growing season. Repeat hand-pulling of the rosette leaves to eradicate the plants. For blooming plants, cut the flowers and the seedhead and dispose of them properly. 

Herbicides like glyphosate, dicamba, and 2,4-D applied between the bud and flower stages can control larger and more established infestations.

8. Henbit (Lamium amplexicaule)

• Local Name: Henbit
• Family: Lamiceae
• Annual or Perennial: Annual 

Henbit is a winter annual that grows about 5 inches tall. In Michigan, it emerges in the late fall and can be easily identified by its green to purple square stems and showy purple to pink flowers.

The Eurasian native is considered among the most troublesome weeds in gardens, lawns, pastures, and in cropping systems like grain and wheat fields. 

Late fall and early spring tillage can control henbit seedlings. Crop rotation and optimal planting of grains can limit the spread. Herbicides recommended for henbit control should be applied in the fall. They include glyphosate and paraquat. 

9. Bull Thistle (Cirsium vulgare)

• Local Name: Bull Thistle
• Family: Asteraceae
• Annual or Perennial: Biennial

Bull is a biennial broadleaf weed that thrives in various habitats in Michigan, including roadsides, meadows, fields, ditches, riparian areas, and other disturbed sites.

You can identify the weed by its spiny stems and leaves, and pink to purple flowers present on a gumdrop-shaped flower head with numerous surrounding spines.

To prevent the rapid spread of the noxious weed, pull out the small plants and retrieve the taproot. Make sure to wear protective clothing as you handle the weeds. 

For larger infestations, targeted mowing can help reduce seeding and hence control the populations. Alternatively, apply glyphosate or triclopyr to eliminate Bull Thistle. 

Since C. vulgare is a prolific seed producer, eradicating it requires several seasons of consistent management and monitoring, so exercise patience as you tackle the weed.

10. Giant Foxtail (Setaria faberi)

• Local Name: Giant Foxtail or Nodding Foxtail
• Family: Poaceae 
• Annual or Perennial: Annual

Giant Foxtail is a summer annual that emerges in spring and grows to about 3-7 feet tall. It is native to Eastern Asia and was first introduced in New York City and then spread to other states, including Michigan.

This foxtail has 12-inch-long leaves with hairs on the upper surface and folded in a bud. It also has erect, clump-forming stems and cylindrical panicles of green to purple bristles that droop at maturity and resemble a fox’s tail. 

While unassuming at first, this troublesome weed can outcompete other desirable plants and turf in gardens, lawns, and many agronomic cropping systems. 

Cover cropping and crop rotation can reduce the weed density and spread. Apply preemergence and postemergence herbicides such as atrazine, fenoxaprop, and glyphosate, depending on the area of infestation, to control large infestations. 

Sylvia Kiragu

Lead Editor for Insight Weeds.

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The post Most Common Weeds in Michigan, USA, and Their Removal Methods appeared first on InsightWeeds.

Geographically, it stretches from the Rocky Mountains in the west to the prairies and boreal forests in the east, making it one of Canada’s most diverse regions in terms of landscape.

In terms of climate, this province experiences a continental climate, characterized by warm to hot summers and cold winters. These climatic factors encourage the growth of a wide range of garden weeds.

Additionally, as the sunniest province in Canada with fluctuating moisture levels, Alberta is an ideal environment for persistent and invasive weed species.

This article covers 20 common weeds you’ll find in your outdoor space along with their distinct physical attributes for easy identification. We’ll also recommend the best removal methods to help maintain a healthy, weed‑free garden. 

1. White Clover (Trifolium repens)

• Local Name: White Clover
• Family: Fabaceae
• Annual or Perennial: Perennial

White clover is a perennial creeping plant that generally grows 10-15 cm tall. You can identify it by its three-parted leaflets and white clustered flowers that fade to pink with age. 

It is native to Europe and Asia, and since it was introduced in Canada, it can be found throughout Alberta in a variety of habitats, including residential gardens and lawns.

T. repens aggressively roots at stem nodes, forming large patches in areas around the garden where other plants will not grow.

There are several ways to eliminate white clover. You can manually remove the young plants, grow a vigorous lawn that outcompetes the weed through increased nitrogen fertilization, or increase mowing height, preferably over 3 inches.  

2. Black Medic (Medicago lupulina)

• Local Name: Hop Clover, Black Clover, or Yellow Trefoil
• Family: Fabaceae
• Annual or Perennial: Annual or Short-lived Perennial

Black Medic is a common broadleaf weed in the legume family. It is native to Europe and temperate Asia, but now can be found in many regions across Alberta. You can identify it by its trifoliate leaves and small yellow flowers. 

Like White Clover, Black Medic is a strong indicator of low nitrogen levels in your outdoor landscape. It is a prolific seed producer and grows a deep tap root, quickly becoming invasive. 

Hand-pulling is a viable option for small infestations. Correct compaction, aerate, seed, or fertilize your soil to prevent Black Medic growth.

3. Dandelion (Taraxacum officinale)

• Local Name: Dandelion
• Family: Asteraceae
• Annual or Perennial: Perennial 

Few weeds can scream spring in Alberta like dandelions. Their vigorous growth and bright yellow heads usher in warmer weather after long, cold winters. However, they can also take over gardens, and like other prolific seed-producing weeds, they stick out like a sore thumb. 

You can pull them out by hand and make sure to remove the entire taproot to prevent regrowth. Cutting the weeds before they seed using handy tools can also efficiently remove the weeds. 

4. Quackgrass (Elymus repens)

• Local Name: Quackgrass or Couch Grass
• Family: Poaceae
• Annual or Perennial: Perennial 

Quackgrass is one of the most troublesome weeds in Alberta. The perennial grass can be identified by its linear, light-green leaves and wheat-like spikelets. 

As an aggressive weed, it spreads by seeds and rhizomes and establishes deep roots, taking over gardens quickly. It not only competes with other desirable plants but also diminishes the aesthetic appeal of the outdoor spaces. 

Remove the clumps of grass by hand or through repeated cultivation. Ensure that you remove the rhizome fragments and dispose of them to prevent regrowth. 

5. Purslane (Portulaca oleracea)

• Local Name: Purslane
• Family: Portulacaceae 
• Annual or Perennial: Annual 

Purslane is a native of Northern Africa and Southern Europe, but has been widely naturalized in Alberta. It is a low-growing succulent weed with reddish stems and flat, rubbery leaves that form dense mats in gardens. 

While P. oleracea is adapted to growing in poor soils, you’ll mostly find it in poorly maintained gardens or newly established turf. 

Hand-pulling is generally sufficient to remove purslane weeds, as solitary plants tend to cover large areas. Ensure that all leaves and stems are disposed of correctly. 

6. Canada Thistle (Cirsium arvense)

• Local Name: Canadian Thistle
• Family: Asteraceae
• Annual or Perennial: Perennial

Canada thistle is an aggressive colony-forming weed that grows up to 1.5 m tall. It is easily identified by its lance-shaped, dark green leaves with spiny margins and clusters of pink to purple flowers. 

This noxious weed spreads by seed and creeping roots, quickly overtaking desirable plants and turf in gardens. 

Pull or dig deeply to remove roots or mow before seed set to starve the weed of nutrients.

7. Leafy Spurge (Euphorbia esula)

• Local Name: Leafy Spurge
• Family: Euphorbiaceae
• Annual or Perennial: Perennial 

A native of Europe and Asia, Leafy Spurge was introduced as an ornamental in Alberta and has since been classified as a noxious weed. 

It has clumpy stems, waxy, bluish-green leaves, and small yellowish-green flowers supported by bracts. It forms deep roots (up to 9m) and spreads 4-5m laterally. 

For these reasons, eradicating leafy spurge requires patience (as complete eradication may take time) and a multifaceted approach. Consider hand pulling or mowing for small, young plants and continuous, intensive cultivation for larger plants until complete eradication is achieved.

8. Common Mallow (Malva neglecta)

• Local Name: Garden Mallow
• Family: Malvaceae
• Annual or Perennial: Perennial 

Common Mallow is a herbaceous perennial, erect or prostrate, about 90 cm tall. It has branched and hairy stems, long-stalked, green to purple leaves, and five-petaled white to pinkish flowers. 

While it may provide beautiful blooms for the garden, it can also spread if left unchecked. Digging out the seedlings before they develop woody taproots is the best option. This is achievable before the plant develops four leaves.

9. Creeping Bellflower (Campanula rapunculoides)

• Local Name: Creeping Bellflower
• Family: Campanulaceae
• Annual or Perennial: Perennial 

A common summer garden weed in Alberta, Creeping Bellflower can steal the heart with its bright, bell-shaped, purple flowers. However, it’s an aggressive and invasive plant that tends to take over the entire garden, making it a weed to watch. 

To effectively remove it, use your hands or a small garden shovel and ensure you dig out the entire root system to avoid regrowth.

10. Common Chickweed (Stellaria media)

• Local Name: Chickweed, Nodding Chickweed
• Family: Caryophyllaceae
• Annual or Perennial: Annual or Short-lived Perennial

While it may be native to Europe, Asia, and Northern Africa, chickweed has since been introduced in Canada and can now be found throughout Alberta.

You can identify the winter weed by its egg-shaped to elliptic leaves, small, white, star-shaped flowers, and delicate, prostrate stems that form mats on the ground. 

Remove the weed by hand-pulling or using a digging tool when the ground is moist, as it has shallow roots, and ensure all seeds and stems are well disposed of to prevent regrowth. Mulching the affected area may also control the weed growth.

11. Yellow Nutsedge (Cyperus esculentus)

• Local Name: Yellow Nutgrass, Chufa Sedge, Tigernut, Grass Nutsedge, or Earth Almond
• Family: Cyperaceae
• Annual or Perennial: Perennial 

Yellow Nutsedge is a native weed that you’ll probably find in poorly drained areas in your vegetable or flower garden. The grass-like sedge has yellow-greenish leaf blades and yellow or purple flower heads. 

To get rid of the sedge, repeatedly remove the small plants before they develop tubers. Eliminate the wet conditions in your garden by applying a fabric mulch.

12. Tall Buttercup (Ranunculus acris)

• Local Name: Meadow Buttercup, Field Buttercup, or Giant Buttercup
• Family: Ranunculaceae
• Annual or Perennial: Perennial

Tall Buttercup is a perennial plant that grows up to 1 meter tall. The weed has branched stems, deeply lobed leaves, and bright yellow flowers. 

It is typically found in meadows and pastures but can also grow in gardens, displacing desirable plants through its efficient seed and rhizome propagation. 

Hand-pulling and digging are viable control strategies for small infestations. Mowing and eliminating wet conditions around the garden can also reduce infestations.

13. Annual Bluegrass (Poa annua)

• Local Name: Annual Bluegrass
• Family: Poaceae
• Annual or Perennial: Annual

As the name implies, Bluegrass is an annual grass that is a common and persistent weed in gardens. It is a short-growing grass that competes for resources and also forms dense clumps, overtaking other garden plants. 

Pull or dig out the small grass infestations before seed production. Repeat as many times as possible to achieve complete eradication. 

14. Common Tansy (Tanacetum vulgare)

• Local Name: Garden Tansy or Golden Buttons
• Family: Asteraceae
• Annual or Perennial: Perennial 

Garden Tansy is an Eurasian native that grows 30-150 cm tall. It is easily identified by its clustered stems, alternate fern-like leaves, and golden-yellow button flowers. 

The aromatic perennial spreads by seeds and short underground rhizomes, competing for resources and forming dense patches that can reduce aesthetic appeal. 

The best removal methods are hand-pulling and mowing before seed set.

15. Purple Loosestrife (Lythrum salicaria)

• Local Name: Purple Loosestrife
• Family: Lythraceae
• Annual or Perennial: Perennial 

Purple Loosestrife was once a beloved garden staple for its stunning pink to purple flowers. However, due to its highly invasive nature, it has since been classified as a noxious weed in Alberta and other provinces in Canada. 

It forms numerous brushlike stands that compete for resources and can outcompete other vegetation. Look out for wet areas around your garden because once it establishes, it can cause waterlogging by blocking drainage.

Repeated cutting and mowing of the young plants before they set seed will provide effective control. 

16. Yellow Toadflax (Linaria vulgaris)

• Local Name: Common Toadflax
• Family: Plantaginaceae
• Annual or Perennial: Perennial 

Like many other Eurasian natives, Yellow Toadflax was introduced in Canadian provinces like Alberta as an ornamental and for other economic uses. 

While it can provide stunning lance-shaped leaves and showy yellow blooms to brighten your garden, it can easily escape and aggressively take over. 

Remove by pulling where applicable or incorporate heavy cultivation to ensure you dig out all the root stalks.  

17. Buckhorn Plantain (Plantago lanceolata)

• Local Name: Narrow-leaved Plantain, English Plantain, or Rib Grass
• Family: Plantaginaceae
• Annual or Perennial: Perennial 

Buckhorn Plantain is a common garden weed that grows 30- 60 cm tall. It can be identified by its mature, elongated leaves with whitish midveins that form a basal rosette and a dense cluster of inconspicuous flowers on a cylindrical, upright flowerhead. 

This weed forms dense patches, quickly overtaking other desirable vegetation. It may also be a strong indicator of areas with low fertility. 

Quick removal intervention is vital for this plantain weed. Repeated hand-pulling and digging of the young plants to remove the root system is the best way to eradicate it. Monitor consistently and repeat the control measures as required to prevent regrowth. 

Laying a landscape fabric and organic mulch on seedlings can also limit weed growth and spread. 

18. Lamb’s Quarter (Chenopodium berlandieri) 

• Local Name: Lamb’s Quarter or Pigweed
• Family: Amaranthaceae
• Annual or Perennial: Annual 

Lamb’s Quarter is an annual weed native to Europe and Asia that grows 1-2m tall. It has since spread to many parts of North America, including Alberta, CA. 

The common garden weed tends to produce many seeds, compete for important resources, and grow faster than other vegetation. Its dense growth can also shade out other low-growing plants, leading to their death.

Remove young plants by hand-pulling or apply organic mulch to suppress their growth.

19. Sow Thistle (Sonchus arvensis)

• Local Name: Mash Thistle, Field Thistle, Field Milk Thistle, or Creeping Sow Thistle
• Family: Asteraceae
• Annual or Perennial: Perennial

The perennial sow thistle is a common noxious garden weed throughout Alberta. It has long, slightly toothed leaves, yellow ray flowers, and can grow up to 1.5m tall. 

The weed spreads by seeds, which sprout in mid to late May in Alberta. What makes it a noxious weed is that it grows deep underground roots, such that even small infestations can choke out other desirable plants. 

Remove the young plants before they seed through digging and dispose of the fragments properly. 

20. Kochia (Bassia scoparia)

• Local Name: Tumbleweed
• Family: Amaranthaceae
• Annual or Perennial: Annual 

Kochia is an Eurasian native that was introduced as an ornamental in Canada but has since become a problematic weed, especially in the arid and semi-arid regions of Alberta.

The thick bushy olive green weed grows about 4-5 feet tall. It is a prolific seed producer, resilient in dry and saline conditions, and germinates early, and grows rapidly, encouraging quick spread in gardens.

The good news is that the young plant’s shallow taproots are easy to remove through pulling or hoeing. 

Sylvia Kiragu

Lead Editor for Insight Weeds.

insightweeds.com/

The post 20 Common Weeds in Alberta, CA, You’re Likely to Find in Your Garden appeared first on InsightWeeds.

“So, how do I deal with weeds that look like grass?”, you may ask. 

The key to effective control is early identification and targeted treatment to prevent these weeds from taking over your landscape.  

This article will help you achieve all the above by identifying the common weeds that resemble grass and the best control methods to help you keep your flawless lawn.

1. Crabgrass (Digitaria sanguinalis)

• Local Name: Crabgrass, Hairy crabgrass, and Large crabgrass
• Family: Poaceae
• Annual or Perennial: Annual

Crabgrass is perhaps the most infamous annual grassy weed due to its rapid growth and spread on lawns. It has coarse, yellowish-green blades with a width of 3-12mm that grows in a clump, sprawling from a central root. 

The blades are wider and lighter than most common lawn grasses, making it easier to identify.

It is native to:

• Europe
• Asia

Removal Methods

• Mechanical control: Uprooting the weed from the roots using a weeding tool can help control the weed. 
• Chemical control: Apply a pre-emergent herbicide like Quali Prodiamine or post-emergent herbicides like Quinclorac or Tenacity for turf.

2. Quackgrass (Elymus repens)

• Local Name: Common couch and Twitch
• Family: Poaceae
• Annual or Perennial: Perennial 

Quackgrass is a common aggressive perennial weed that can grow over 1m in height. The weed’s wide, flat blades 5-30 cm long can be mistaken for lawn grass. 

Its key distinguishing feature is the long, creeping rhizomes that help the weed spread over 3m long. It generally grows quicker than most turf grasses and is easily identified by its height. 

It is native to:

• Europe
• Temperate Asia

Removal Methods

• Cultural control: Maintain a dense and healthy turf to outcompete quackgrass.
• Mechanical control: Dig out the quackgrass using a shovel or digging fork to remove the entire plant including the root network.
• Chemical control: Apply a selective herbicide like Certainty or non-selective herbicides like glyphosate or Glufosinate ammonium for effective control.

3. Nutsedge (Cyperus esculentus)

• Local Name: Nutsedge andNutgrass
• Family: Cyperaceae
• Annual or Perennial: Perennial

Nutsedge is a perennial grass-like weed considered one of the biggest problems in lawns and gardens. It has tall triangular stems and thin light green or yellow leaf blades that are stiffer and more upright than typical lawn grass. 

The sedge thrives in damp areas and their presence indicates poor drainage. It grows faster than the surrounding grass, often sticking out above the lawn. Since the weed reproduces through seeds and underground tubers, once established, it often requires quick action to eradicate it.

It is native to:

• North America
• South America
• Africa
• Southern Europe

Removal Methods

• Cultural control: Improve drainage, increase shade, or expose the tubers to sunlight.
• Mechanical control: Hand pulling or digging up the plants using a shovel or garden trowel (up to 18 inches down) can provide effective control for small patches.
• Chemical control: Apply selective herbicides containing imazapic, bentazon, or halosulfuron. You can also consider repeated applications of glyphosate on actively growing young plants for faster eradication.

4. Goosegrass (Eleusine indica)

• Local Name: Silver crabgrass, Wire grass, and Indian goosegrass
• Family: Poaceae
• Annual or Perennial: Annual 

Goosegrass is a summer annual weed that can grow between 50-70 cm tall. The weed resembles crabgrass but has a silvery-white center at the base and tends to form flatter, more compact clumps. 

It has a more upright growth habit and spreads rapidly on thin turfs or in compacted soils mostly located in full sunlight. It is one of the most common weeds in agricultural and landscaping environments.

It is native to

• Europe
• Asia

Removal Methods

• Cultural Methods: Fertilizing and mowing the turfgrass at the recommended height helps prevent goosegrass infestations. Releasing soil compassion through aeration and traffic management can help improve turfgrass competition against goosegrass.
• Mechanical control: Hand-pulling or digging using a tool like a trowel or shovel can be effective for young plants. 
• Chemical control: Apply pre-emergent herbicides with active ingredients such as prodiamine, dithiopyr, oxadiazon, and pendimethalin. Post-emergence herbicides recommended for goosegrass include mesotrione, fenoxaprop-p-ethyl, topramezone, or a 2,4-D ester + MCPP + Dicamba + carfentrazone combination.

5. Foxtail (Setaria pumila)

• Local Name: Pigeon grass, Yellow bristle-grass, and Cattail grass
• Family: Poaceae
• Annual or Perennial: Annual

Annual foxtail is an upright annual weed that can grow up to 2m tall. It has flat, bluish-green leaves about 15-30 cm long, similar to many grass blades. The stems are mostly hairless green or a purplish hue. It is also easily identified by its yellow seed heads with bristle-like hairs. 

It is a common and aggressive weed on lawns, agricultural lands, areas near rivers, fencelines, pastures, and roadsides.

It is native to:

• Europe
• Asia

Removal Methods

• Cultural control: Maintain a healthy turfgrass through proper irrigation and fertilization. 
• Mechanical control: Pulling or digging with a hand-held tool can provide effective control for small infestations.
• Chemical control: Apply pre-emergent herbicides with active ingredients such as dithiopyr, prodiamine, or pendimethalin. For existing infestations, consider herbicides containing quinclorac, fenoxaprop-p-ethyl, or topramezone. 

Sylvia Kiragu

Lead Editor for Insight Weeds.

insightweeds.com/

The post Common Weeds That Look Like Grass appeared first on InsightWeeds.

The grass is easily recognizable by its linear, dark green leaves with small auricles at the base and elongated pale greenish wheat-like spikelets arranged in two long rows.

Elymus repens Classification

• Domain: Eukaryota
• Kingdom: Plantae
• Phylum: Spermatophyta
• Subphylum: Angiospermae
• Class: Monocotyledonae
• Order: Cyperales
• Family: Poaceae
• Genus: Elymus
• Species: Elymus repens
• Common Names: Couch grass, Creeping wheatgrass, Dog grass, Quick grass, Quitch, Quitch grass, Scutch, and Scutch grass.

Nativity and Distribution

Common Couch is native to Europe and temperate Asia. It is now also found in:

• Northern Africa
• North America
• Central and South America
• Pacific Islands

Physical Characteristics

• Leaves: Linear, flat, leaves about 15 to 40 cm long.
• Stems: Erect, hollow, green to whitish.
• Flowers: Slender pale to greenish wheat-like spikelets. 
• Roots: Fibrous root system. 

Elymus repens is a rhizomatous perennial cool-season grass that grows 30-120 cm tall. It is easily recognizable by its linear, dark green leaves with small auricles at the base and elongated pale greenish wheat-like spikelets arranged in two long rows.

The stems (culms) are generally erect and hollow and green to whitish in color. The leaves are linear, flat, dull to dark green, about 3-10mm wide and 15-40 cm long with auricles in the sheath and blade intersection. On the upper surface, they are generally slightly hairy or smooth while the lower surface is strongly hairy. 

Quackgrass produces wheat-like flower spikes that contain 5-15mm long spikelets. The spikelets bear 4-6 flowers. Flowering occurs between May and September. 

The seeds are elliptical, brown, confined in lanceolate and awn-pointed glumes.

Reproduction, Dispersal, and Life Cycle

• Life Cycle: Perennial.
• Seeds: One stem typically produces 20-40 seeds but can produce up to 400.
• Climate: Temperate and cool climatic conditions.  
• Dispersal: Wind, water, animals, and human activities.

Elymus repens, behaves as a perennial and reproduces sexually through seeds and asexually through rhizomes. One stem typically produces 20-40 seeds with a dormancy range of about 2-5 years. 

The seeds are small and lightweight with bristle-like appendages that aid in wind dispersal. Secondary dispersal also occurs through water, animals, and human activities. 

While seeds play a critical role in establishing a new grass population, especially after effective weed control, they are not the primary method of propagation.

Rhizomes (even small fragments with a node) allow for faster propagation in new areas by rapidly developing extensive clones, contributing to its nature as an aggressive weed. Soil cultivation often breaks both rhizome and seed dormancy, causing rapid spread of the grass. 

Similar Plants

• Elymus trachycaulus
• Cynodon dactylon
• Agropyron cristatum
• Poa pratensis

Uses

1. In its early growth, it is used as forage in pastures and fodder for livestock.
2. Its extensive root system is used in soil stabilization and erosion control.
3. The rhizomes have been used as traditional medicine for fever in Austria. It is also a favorite stomach upset medicine for cats and dogs.
4. Different forms of the root are used to make bread and beer. Young shoots are incorporated into spring salads.
5. It provides habitat for birds and small mammals. 

Impact on Farms and Environment

Quackgrass is considered a serious weed in agricultural regions worldwide. Its rapid and extensive growth affects a variety of crops including cereals, fruits, and grasslands. Not only does it compete for important nutrients leading to reduced crop yield but it also causes technical problems during harvest. 

Removing the grass by hoeing is often difficult when the rhizomes become entangled in the annual crops and other perennial weeds. This makes removal efforts time-consuming and expensive. Its ability to regenerate from severed fragments also makes it difficult to eradicate.

Due to its rapid growth, the common couch can colonize large areas and outcompete native species, negatively impacting biodiversity.  

Control

• Cultural control: Crop competition.
• Mechanical control: Intensive cultivation
• Chemical control: Herbicides like glyphosate, tepraloxydim, cycloxydim, and EPTC.

Cultural control is generally the first line of defense against quackgrass. Well-prepared ground and planting the crop seeds at optimal depth can help increase the plant’s competitiveness against the grass.

Cultivation can offer additional control when done starting immediately after crop harvest. Repeated operations break the rhizomes down as much as possible. Ploughing just before planting can suppress the weed by up to 90%. 

However, the best way to control Elymus repens is by herbicides. Selective herbicides like tepraloxydim, cycloxydim, sethoxydim, and foliar-herbicides like sulfuron are used in turnip, peas, beet, cereals, and orchard farms. 

Glyphosate, a non-selective herbicide, also provides effective common couch control in many countries. 

Consult a professional if you’re unsure of the herbicide to use for quackgrass control on your farm or landscape.

Sylvia Kiragu

Lead Editor for Insight Weeds.

insightweeds.com/

The post Elymus repens (Quackgrass, Common Couch, Twitch) appeared first on InsightWeeds.

Before listing down all plants that look like weeds, it is important to know what wheat looks like. It may be obvious, but just to be sure you are not confusing it with any of these other plants, here are the characteristics of wheat:

• An upright stem with a cylindrical shape and solid carrying nodes. It has solid internodes too.
• Long flat leaves that can be anywhere from 3cm to 30cm long.
• It produces red-brown, white-brown, or white grains, which are consumed.
• Grows in a bunch with 5 to 40 stalks.
• Wheat is usually about 0.4 and 1.2 m tall.
• The size, grain and inflorescence vary depending on the species of wheat it is, as well as the growing conditions it is in. It grows in clusters with additional stems, ranging from 5 to 40 per plant.

Now that you know what wheat looks like, let’s check out similar-looking plants.

5 plants that look like wheat

These 5 plants are often confused with wheat:

1. Quack grass

Scientifically known as Elymus repens, this perennial plant is actually a weed. Its long and wide blades make it look a lot like most lawn grasses until it starts growing vertically.

Quack grass is a common lawn weed across the United States. You can be sure to find it growing in alfalfa fields.

While often mistaken for wheat, quack grass is slightly darker than young wheat and other turf grasses.

To identify it, look out for its finger-like projections that form a hook around the stem, mostly at the base of the leaf blade at the point where it connects to the stem. These hooks are called clasping auricles.

Quack grass is known for its extensive fibrous root system, which spreads rapidly in fields. It also has rhizomes, which make it hard to eliminate.

Once you think you have killed it all, the roots have already spread elsewhere without knowing it.

Because of this, gardeners often decide to completely clear the lawn or burn it and then start growing their turf grass from scratch.

We prepared a guide for those struggling to get rid of quackgrass. Here, we’ve explained different methods you can use, whether you prefer chemicals or a natural approach.

2. Switchgrass

Native to South America, Switchgrass is scientifically known as Panicum virgatum. You’ll often hear it called tall panic grass, tall prairie grass, wild redtop, thatch grass, and a long list of other names.

Switchgrass looks just like wheat. It was originally cultivated as a fodder crop to act as ground cover. But it also makes for a great decorative plant. It is one of the best perennial ornamental grasses commonly used in landscaping.

Like wheat, it has a tall, erect structure with a central cylindrical stalk and seeds that look similar to wheat.

3. Yellow fox tail

Setaria glauca is an annual warm-season grass. It thrives in very moist areas and fertile soils, growing up to 4 feet tall.

The plant has long, smooth, flat leaves, which can grow up to 12 inches long and ½ an inch wide.

On the upper surface of the leaves, close to the base, if you look closely, you will see about 1/8 an inch of spiral hairs.

The leaf edges are rough to the touch, and the stems are erect with a flat form, with a reddish color closer to the base.

Between June and September, the plant bears yellow seeds, whose heads measure 2 to 5 inches long.

The seeds are cylindrical and bristle-like, making the plant a grass that looks like wheat.

4. Hare Barley

Hordeum murinum spp. Leporinum is a very invasive and aggressive weed. It is also known as wild barley or winter barley.

Hare barley is found in the western states of the USA and sprouts in the winter. It can grow up to 3 feet tall, but most of them only manage to grow between 1 and 2 feet tall due to constantly changing soil and weather conditions.

The leaves are flat and narrow, ranging from ½ to ¾ cm in width, and have a thick coat of hair on their surface.

Hare barley produces spikes between April and June, breaking apart from the node when they mature.

It is a good livestock feed, but once the seeds have matured, they become poisonous, and the plant is no longer safe for consumption.

Given their tall stature and aggressiveness, they tend to suffocate other plants that grow below them, such as alfalfa.

5. Amaranth

Amaranth is an annual herb that belongs to the genus Amaranthus. Its leaves have been used as a staple food for centuries. They are considered a superfood in other areas.

The plant produces many flowers, which gather large clusters of inflorescence.

Amaranth can be classified together with wheat, barley, and rice. Just like all of them, it is also grouped as a grain.

This highly resistant plant grows in most soils and tolerates extreme conditions like drought. It also makes for a great fodder crop and an ornamental plant.

With the information above, you should be better positioned to differentiate wheat from other plants if you encounter them on your lawn.

Related

• 20 types of grass and their scientific names

Carter

IW’s Chief Editor and a lover of green spaces.

The post 5 plants that look like wheat appeared first on InsightWeeds.

So, how do you go about choking out quackgrass from your lawn? The best solution is to target the weed plant with herbicides.

But, herbicides are not the only solution at your disposal. Other options include mechanical or organic weed control mechanisms.

In this article, we will look at how you can get rid of quackgrass with herbicides, as well as other options available.

Quackgrass vs crabgrass – what is the difference?

Quackgrass can be easily mistaken with other grass-like weed plants, say, for example, crabgrass. It is important to identify it properly so that you can deploy the correct measures.

So, how do you know that your lawn is infested with quackgrass and not crabgrass? First of all, quackgrass is a perennial weed favoring cool seasons, while crabgrass is a warm climate plant.

Another distinctive difference is in the stem and leaves.

With crabgrass, you will find the plant growing from star-like stumps, with leaves that are separate from the plant. On the other hand, quackgrass grows as a single stem with leaves attached to the stem.

The other identification feature to look at is the roots. Quackgrass has a white root system that has rhizomes. However, crabgrass displays a shallow root system with a crab-like structure.

How to control quackgrass in lawns

Quackgrass is not easy to eliminate, particularly due to its perennial nature. Its rhizomes guarantee its survival in a harsh climate while helping to sprout new plants.

However, the following solutions can help to control or even eliminate the weed plant.

1. Mechanical control

Mechanical control involves the removal of quackgrass by hand. It is as simple as grabbing the weed plant at the base and pulling it off your lawn.

However, to eradicate it, you need to pull of everything – without leaving behind roots. If not, the rhizomes will sprout new plants, starting the process all over again.

A few gardening tools such as a shovel or digging fork might come in handy. Dig a hole – 1-foot-wide and 1 foot deep. Be sure not to dig too close to the quackgrass to avoid damaging the roots.

After digging, grab the quackgrass and the base and jerk it upwards. Check the area to see if you have removed the entire plant.

Note: Any roots that remain are likely to sprout again.

2. Chemical control

Don’t fancy digging around in your lawn or garden? Then herbicides might be more your style. There are two types of quackgrass herbicides that you can use to control the weeds:

• Selective herbicides
• Non-selective herbicides: which target everything, weeds and other plants included.

Selective herbicides are chemicals that only target a specific type(s) of weed plant, without harming other plants.

A good example of a selective herbicide is the Certainty herbicide for quack grass. It is a selective post-emergent herbicide that offers excellent results against grass weeds.

Non-selective herbicides, on the other hand, target everything, weed and other plants included. For quackgrass, herbicides containing Glyphosate, for example, roundup, are recommended.

Does roundup kill quackgrass?

Yes, Roundup is a very effective solution to eliminating quackgrass.

The active ingredient in the roundup – Glysophate – works by preventing the production of essential proteins. As such, the weed (or any other plants it touches) is unable to grow, causing them to yellow and die off.

One thing to note with chemical herbicides though is that they might not be a one-time solution. Instead, multiple applications might be needed for the quackgrass to die.

3. Organic quackgrass control

Organic remedies are another solution you can use to control quackgrass.  There are several such remedies, which include:

• Vinegar application – vinegar on quackgrass works by killing the cell tissues of the plant (acetic acid), causing the plant to die off.
• Boiling water – boiling water will also kill the plant tissues
• Dish soap – dish soap binds to the leaves of the plant, affecting the physiological process. It can be used on its own, or as a binding agent with other organic (and even chemical) agents.

These organic remedies do work and are a great idea if you prefer an environmental-friendly solution. However, they might not be as effective as chemical herbicides, so multiple applications might be needed.

Furthermore, they come with the added disadvantage of being non-selective. As a result, you should apply them carefully (spot treatment) to avoid damaging your lawn grass.

Summary

Having quackgrass infest your lawn can give you several nightmares. However, there are several control solutions available, starting with chemical herbicides that kill quackgrass.

Alternatively, you can opt for hand removal or organic remedies – that is if you prefer non-chemical options.

Related Guides

• When to apply Scotts crabgrass preventer
• How to get rid of broadleaf grass
• Will boiling water kill grass?
• How to get rid of nutsedge

Carter

IW’s Chief Editor and a lover of green spaces.

The post How to kill quackgrass in your lawn appeared first on InsightWeeds.