Pictures Of Weed Seeds

Download cannabis seeds stock photos. Affordable and search from millions of royalty free images, photos and vectors. Find & Download Free Graphic Resources for Cannabis Seed. 1,000+ Vectors, Stock Photos & PSD files. ✓ Free for commercial use ✓ High Quality Images Many weeds are also prized as decorative, edible, or medicinal plants. Learn to identify common weeds and determine if they are truly problematic.

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17 Common Types of Weeds

David Beaulieu is a landscaping expert and plant photographer, with 20 years of experience. He was in the nursery business for over a decade, working with a large variety of plants. David has been interviewed by numerous newspapers and national U.S. magazines, such as Woman’s World and American Way.

Kathleen Miller is a highly-regarded Master Gardener and Horticulturist who shares her knowledge of sustainable living, organic gardening, farming, and landscape design. She founded Gaia’s Farm and Gardens, a working sustainable permaculture farm, and writes for Gaia Grows, a local newspaper column. She has over 30 years of experience in gardening and sustainable farming.

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Jillian is a freelance journalist with 10 years of editorial experience in the lifestyle genre. She is a writer and fact checker for TripSavvy, as well as a fact-checker for The Spruce.

Once you’ve identified nuisance plants, you can more readily access information on eradication. In some cases, however, finding out more about the plants in question may persuade you to show more tolerance toward them. There are even some edible weeds. Some are worth your time to remove while others don’t cause much harm (and may even have beneficial aspects).

Warning

Several of these weeds can cause rashes. Use proper clothing and gloves when working around these weeds, or enlist professional help to eradicate them.

Here are 17 types of weeds you might encounter in your garden.

Poison Sumac (Toxicodendron Vernix)

The Spruce / David Beaulieu

Poison sumac is a shrub (some consider it a small tree) that grows in wet areas, often next to Cinnamon ferns and cattails. You will not find it trailing over the ground or climbing trees, as you sometimes find poison ivy. Every part of the plant is poisonous, meaning it can cause serious rashes if touched. As is often the case with toxic plants, it can also be very attractive; its white berries and bright fall foliage is pretty as well as dangerous.

Japanese Knot Weed (Polygonum cuspidatum)

The Spruce / Jordan Provost

Polygonum cuspidatum goes by several other common names, including Japanese knotweed and fleece flower. Several other common names include the term, “bamboo,” such as “Mexican bamboo.” While its autumn flower does, indeed, look fleecy, “fleece flower” is just too dainty a name for so tenacious a weed!

Crabgrass (Digitaria)

Being an annual weed, crabgrass perpetuates itself via seed—millions of seeds. To control crabgrass, you’ll need to address the issue in spring when the plant is at its most vulnerable. The best option to kill crabgrass is to remove the plants by hand, roots and all. After that, use an organic fertilizer to encourage the growth of lawn grass which will crown the crabgrass out.

Dandelions (Leontodon taraxacum)

The Spruce / Candace Madonna

Dandelions are a harbinger of spring. Their bright yellow flowers often poke up through lawns and appear between cracks in driveways and sidewalks. The seed heads of dandelions are probably better known than those of crabgrass, but dandelions are perennial, not annual weeds.

While dandelions have multiple medicinal uses and can be eaten in salads or used to make wine, many homeowners would prefer to eliminate dandelions. Keeping dandelion seeds from germinating won’t be enough to get rid of dandelions. It’s possible to use herbicide to eliminate your dandelions, but the most effective and least harmful approach is to dig the flowers up from the roots.

Plantain Plants (Plantago major)

The Spruce / Evgeniya Vlasova

A rather innocuous plant, common plantain can simply be mowed whenever you mow the lawn. Its relative, Plantago lanceolata is a similar weed, but with narrow leaves. Now a ubiquitous lawn weed in North America, broadleaf or “common” plantain was brought to the New World by colonists from Europe for its medicinal uses. Common plantain has many medicinal uses. Mashed, it can be used as a poultice for bee stings; the leaves can also be dried and made into a tea to treat diarrhea.

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Common Ragweed (Ambrosia artemisiifolia)

Bgfoto / Getty Images

Common ragweed may be an important weed for you to identify, even if you don’t care about keeping your yard weed-free for aesthetic reasons. If you’re an allergy sufferer, you should be aware that common ragweed is a major source of hay fever.

Giant Ragweed (Ambrosia trifida)

It’s not for nothing that this plant is named, “giant ragweed.” It can grow up to 15 feet tall, with thick roots and branches. Like its ragweed cousin (and unlike goldenrod), giant ragweed produces a great deal of pollen which causes serious allergies.

Hedge Bindweed (Convolvus arvensis)

The Spruce / Evgeniya Vlasova

Hedge bindweed has a fairly attractive bloom, similar to that of the morning glory, which can be white or pink and have a pleasant fragrance. But this is no innocuous weed. If you let hedge bindweed get out of control, your yard will feel like Gulliver in Lilliput. There is a reason for that “bind” in “bindweed.”

Ground Ivy (Glechoma hederacea)

The Spruce / David Beaulieu

Ground ivy, a common lawn weed, goes by a number of names. For instance, it is also called “gill,” “gill-over-the-ground” and “creeping charlie.” Although considered a weed, ground ivy has a pretty flower and, when you mow this weed, it gives off a pleasing aroma. Ground ivy is also used as a medicinal herb.

Purslane (Portulaca olearacea)

The Spruce / K. Dave

Purslane is the edible weed, par excellence. Purslane contains five times the amount of essential omega-3 fatty acid that spinach has, and its stems are high in vitamin C. A succulent mat-forming plant, it has a crispy texture and interesting peppery flavor. It is often served raw in salads but can also be cooked as a side dish.

Stinging Nettle (Urtica dioica)

The Spruce / Lindsay Talley

The flowers of stinging nettle plants are inconspicuous. You’ll pay plenty of attention to its barbs, however, if you’re unfortunate enough to brush against stinging nettle! The discomfort these weeds can cause seems incongruous with the fact that stinging nettle is edible. But the young leaves of stinging nettle are, indeed, cooked and eaten by wild foods enthusiasts. Just be sure to pick at the right time and prepare properly to ensure safe consumption.

Curly Dock (Rumex crispus )

The Spruce / Evgeniya Vlasova

Curly dock (also called “curled dock” or “yellow dock”) is more than just distinctive, it’s also useful: curly dock serves as a home remedy to treat stinging nettle burns-though it can be toxic to consume. You’ll be able to identify curly dock by its greenish blossoms that cluster long thin flower stocks. After the flowers have dried and turned brown, they remain in place, making the plant easy to recognize. The flowers start out a much less distinctive light-greenish or reddish color. Blooming occurs in clusters in the form of multiple, long, skinny flower stalks at the top of the plant.

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Wild Madder (Galium mollugo)

Wild madder is, like sweet woodruff, in the Galium genus. Wild madder is also called “bedstraw.” Apparently, people did actually once use this weed as a bedding material. Sweet woodruff is a creeping, mat-forming perennial that pretty clusters of white star-shaped flowers in spring and has very fragrant, lance-shaped dark-green leaves.

Clover Leaf (Trifolium )

The Spruce / K. Dave

While many consider clover a “weed,” there’s really nothing wrong with having a little clover mixed into your lawn. The Irish consider various tripartite clover leaves (such as the one in the photo here) to be “shamrocks.” The tradition behind the shamrock is quite distinct from that behind four-leaf clovers.

Orange Jewelweed (Impatiens capensis)

The Spruce / Adrienne Legault

Like curly dock, orange jewelweed (or “jewel weed”) can be used as a home remedy for poison ivy. The taxonomic name of orange jewelweed, Impatiens capensis, classifies it as a wild version of the colorful impatiens flowers sold so widely for shady annual beds.

Bittersweet (Celastrus)

The Spruce / Evgeniya Vlasova

There are three plants named, “bittersweet.” American bittersweet is harmless, but Oriental bittersweet should be regarded as a weed since it can harm your trees. The third type of weed that goes by this name (bittersweet nightshade) is one of our most poisonous plants, despite being related to the tomato.

Horsetail Weed (Equisetum arvense)

The Spruce / David Beaulieu

There’s more than one kind of “horsetail.” Equisetum arvense is a thoroughly weedy-looking plant that will spread out of control if given a chance, even in dry soil. Equisetum hyemale, by contrast, is a more useful horsetail plant to the landscaper. It is an architectural plant that can be employed as an accent around water features. If given moist soil, it, too, will spread, so consider potting it up for use around water features so that you’ll have firm control over it.

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Phytophotodermatitis. American Osteopathic College of Dermatology.

Brown, Sydney Park. Identification of Poison Ivy, Poison Oak, Poison Sumac, and Poisonwood. University of Florida, Institute of Food and Agricultural Sciences, 2021.

González-Castejón, Marta, et al. Diverse Biological Activities of Dandelion. Nutrition Reviews, vol. 70, no. 9, 2012, pp. 534–547. doi:10.1111/j.1753-4887.2012.00509.x

Álvarez-Acosta, Thais, et al. Beneficial Role of Green Plantain [Musa Paradisiaca] in the Management of Persistent Diarrhea: A Prospective Randomized Trial. Journal of the American College of Nutrition, vol. 28, no. 2, 2009, pp. 169–176. doi:10.1080/07315724.2009.10719768

Chen, Kuan-Wei, et al. Ragweed Pollen Allergy: Burden, Characteristics, and Management of an Imported Allergen Source in Europe. International Archives of Allergy and Immunology, vol. 176, no. 3-4, 2018, pp. 163–180. doi:10.1159/000487997

Kikuchi, Masao, et al. Glycosides from Whole Plants of Glechoma Hederacea L. Journal of Natural Medicines, vol. 62, no. 4, 2008, pp. 479–480. doi:10.1007/s11418-008-0264-x