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Weed Identification

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Updated: January 28, 2026

Chinese and Japanese Wisteria

Identify and manage invasive Wisteria vines.
Flower clusters of Chinese wisteria.
Updated: January 28, 2026

Japanese Barberry

How to identify and manage invasive Japanese barberry.
Tall unpruned hedge of red-leaved Japanese barberry.
Updated: January 28, 2026

English Ivy

How to identify and manage English ivy (Hedera helix).
Invasive English ivy leaves covering the ground
Updated: January 28, 2026

Callery (Bradford) Pear

How to identify and manage invasive callery (Bradford) pear trees.
Numerous callery pear trees growing along a roadside.
Updated: August 29, 2025

Summer Weeds

Common summer weeds in lawns and gardens
curly dock left, burdock right
Updated: July 8, 2025

Spring Weeds

Common spring weeds found in lawns.
purple deadnettle weeds
Updated: April 16, 2025

Removing Invasive Plants and Planting Natives in Maryland

How to Transition an Area from Invasive to Native Plants
forest overgrown with invasive plants
Updated: April 16, 2025

Garlic Mustard

How to identify and manage invasive garlic mustard.
closeup of garlic mustard flower
Updated: April 16, 2025

Mile-a-Minute

How to identify and manage invasive mile-a-minute vine.
invasive mile a minute vine and ripening blue berries
Updated: April 10, 2025

Nimblewill

Identification and management of nimblewill weeds.
Japanese stiltgrass and nimblewill