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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.
  1. If you need identification help, visit the NatureSpot species galleries or post an image on the NatureSpot forum. Chickweed – Stellaria media ID: Small. Oval, opposite leaves. Line of hairs on stem. White flowers with 5 petals – each divided to the base and 3 styles (inset photo). Similar species: Other chickweeds (unlikely in gardens).

    • 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.
  2. www.rhs.org.uk › weeds › identify-common-weedsIdentify common weeds / RHS

    You don’t need to be an expert to identify the weeds in your garden. Our handy guide will help you to spot weeds and check how they grow and spread. Equipment needed: Wildflower books; Plant identification apps – try our identify a plant tool; MyAdvice can be used by RHS members for plant identification enquiries

    • Crabgrass (Digitaria spp.) Crabgrass is a low-growing summer annual that spreads by seed and from the rootings of nodes on the soil. Undisturbed, it can grow to 2 feet tall.
    • Purslane (Portulaca oleracea) Purslane is considered noxious in at least one U.S. state. Why is this edible annual succulent plant considered troublesome?
    • Lambsquarters (Chenopodium album) Another edible weed! Lambsquarters is a fast-growing summer annual that is very nutritious and delicious, steamed, in salads, or juiced.
    • Pigweed (Amaranthus spp.) Pigweed wins the title of the most “problematic” annual weed. It has evolved traits that make it a tough competitor, especially in broadleaf crops like soybeans and cotton.
  3. We've chosen the most common weeds found in lawns and gardens, and provided the essential information you need for identifying and managing them. Click on a link or image below to view the complete guide.

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  5. Weeds will not only hurt the look of your lawn, they will also rob your turfgrass of sunlight, water and other nutrients. Identifying weeds can…

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