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- Stinging Nettle. Botanical Name: Urtica dioica. Height: 1 – 2 metres. Notes: The Stinging Nettle is known by most for the skin irritation it causes upon direct contact.
- Dandelion. Botanical Name: Taraxacum officinale. Height: 10 – 15 cm. Notes: A well-known garden weed with vibrant yellow flowers. You’ll typically find Dandelions in cultivated land and grassy areas.
- Poison Ivy. Botanical Name: Toxicodendron radicans. Height: Up to 2 metres. Notes: Poison Ivy causes skin irritation through direct contact. You can find this plant growing in the forest understory.
- Ground Ivy. Botanical Name: Glechoma hederaceae. Height: 5 – 50 cm. Notes: Ground Ivy grows in woodlands and garden lawns. It has highly distinctive kidney-shaped leaves and violet flowers.
- Annual meadow grass. This spear grass grows in clumps of narrow-bladed leaves that grow close to the ground on pathways or lawns. It’s an annual weed that reproduces via seeds, which emerge from its small, white flowers.
- Aquilegia. A self-seeding weed, Aquilegia can get up to 15 cm tall. It has purple flowers, strong roots that will make it hard for you to pool it out and blooms quite early.
- Bindweed. A perennial vine, Bindweed grows in large vines, with roots that spread up to 10 metres. It’s commonly found in Europe as well as North America, and can easily be distinguished through its heart-shaped leaves and white or light pink flowers, which get to about 2.5 cm wide.
- Birds-foot trefoil. A perennial weed with yellow flowers similar to those of Honeysuckle, this weed is part of the Clover family. It one of the tallest weeds in the bunch, considering it can grow to knee-height easily.
- Asiatic Bittersweet. Scientific name: Celastrus orbiculatus. Asiatic bittersweet is a perennial weed that has small, orange berries. Round yellow fruits and red berries can identify it.
- Bindweed. Scientific name: Convolvulus arvenis. Bindweed is a perennial weed identified by its bright green, hairless stems and arrowhead-shaped leaves with scalloped edges.
- Canada Thistle. Scientific name: Cirsium arvense. Canada Thistle is a perennial weed that spreads by seed. It has its origins in Europe but was introduced to America in the 16th Century, among other agricultural shipments.
- Chickweed. Scientific name: Stellaria media. Chickweed is a low-growing winter weed that can establish in cool weather and cause damage to crops early in the growing season.
- Poison Sumac (Toxicodendron vernix) Poison sumac is a shrub (some consider it a small tree) that grows in wet areas, often next to cinnamon ferns and cattails.
- Japanese Knotweed (Polygonum cuspidatum) Polygonum cuspidatum goes by several common names, including Japanese knotweed and fleece flower. Several other common names include "bamboo" in them, such as "Mexican bamboo" or "American bamboo."
- Crabgrass (Digitaria) Crabgrass is so called because this grassy weed creeps along close to the ground, like a crab. In addition to mixing with lawn grass, it's often found growing in cracks in your hardscape.
- Dandelions (Leontodon taraxacum) Dandelions are a harbinger of spring. Their bright yellow flowers often poke up through lawns and appear between cracks in driveways and sidewalks.
- Dandelions. Dandelions (taraxacum officinale) are common perennial weeds that most of us know well. They’re considered both weeds and wildflowers and thrive in various environments, including lawns, meadows, and other urban areas.
- Creeping Buttercups. Creeping buttercups (Ranunculus repens) are perennial flowering plants that are known for their ability to spread quickly through their creeping runners and root nodes, forming dense mats in lawns, gardens, and other moist areas.
- Daisies. Common daisies (Bellis perennis) are a type of flowering plant belonging to the Asteraceae family, which also includes sunflowers and asters.
- Nettles. Nettles (urtica dioica), often referred to as stinging nettles, are perennial plants known for their serrated leaves and stinging hairs.
Aug 30, 2023 · To identify weeds, look at the type of leaf, flower, and root system. For example, weeds tend to have a thick root, making them difficult to remove, or a creeping fibrous root system that spreads quickly. Weeds spread easily and quickly and take root where you least want them.
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Sep 21, 2024 · Dealing with weeds can be a frustrating, laborious and often daunting task and trying to tackle them can feel overwhelming, to say the least. However, there are a number of things you can do to make this undesirable job more manageable, and the most important one is identification.