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Weed Identification

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Updated: January 18, 2023

Weed Identification Photos in Maryland

Identify common Maryland weeds using our extensive collection of photos.
flowering ground ivy
Updated: October 28, 2022

Fall Weeds

Weeds commonly found in lawns and gardens in the fall
common ragweed
Updated: August 2, 2022

Common Home Lawn Weeds In Maryland

Are you trying to identify the common lawn & garden weeds you find at home in Maryland? Our guide can help you identify the weeds giving you grief.
crabgrass
Updated: December 14, 2022

Japanese Stiltgrass in Home Landscapes

How to identify and manage invasive Japanese stiltgrass using an Integrated Pest Management approach.
Details of Japanese stiltgrass with white line down the center of leaf blades
Updated: December 14, 2022

Poison Hemlock Identification and Management

Poison Hemlock (Conium maculatum, Fig. 1), is a member of the plant family Apiaceae, which contains a few important crops such as carrots, celery, and parsnips. This weed is a tall, invasive, and highly poisonous weed that is sometimes mistaken for one of its crop relatives. It is also commonly mistaken for Queen Anne's Lace (Daucus carota).
Figure 1. Poison hemlock (Conium maculatum) inflorescence.
Updated: December 14, 2022

Vinegar: An Alternative to Glyphosate?

Pros and cons of vinegar as an alternative to glyphosate
Updated: December 14, 2022

How to Identify Poison Ivy

Tips and tricks for identifying poison ivy.
poison ivy young leaves
Updated: November 10, 2022

Removing Invasive Plants and Planting Natives in Maryland

How to Transition an Area from Invasive to Native Plants
forest overgrown with invasive plants
Updated: October 28, 2022

Canada Thistle

How to identify and manage invasive Canada thistle using an Integrated Pest Management approach.
canada thistle
Updated: October 28, 2022

Garlic Mustard

How to identify and manage invasive garlic mustard.
closeup of garlic mustard flower