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Weed Management

WVU Extension Service agents and specialists help people keep their lawns, gardens and pastures weed free. Learn about common weds in West Virginia.

Browse the Weed Identification Guide

Find quick, safe, effective solutions to nuisance weeds. WVU Extension Service offers expertise and resources to help you rid your lawn and garden of problematic plants.

Weed Identification Guide

autumn olive

Autumn Olive

One of the most invasive brush species in West Virginia, autumn olive takes water, nutrients and sunlight available for desirable plant species, and may depreciate the productive area of a pasture considerably.

Autumn Olive Problems
Mechanical Controls for Autumn Olive
Chemical Controls for Autumn Olive
Dandelions

Dandelions

One of the most prevalent lawn weeds, dandelions have value as a medicinal herb as well as a forage plant for livestock and a pollen source for bees. Manual and chemical controls are most common.

Benefits of Dandelions
Manual Controls for Dandelions
Chemical Controls for Dandelions
Hairy Bittercress weed surrounded by dark brown mulch

Hairy Bittercress

Common in West Virginia lawns and gardens, hairy bittercress is a winter annual that grows predominantly in spring but is capable of germinating and growing year-round under suitable environmental conditions.

Benefits of Hairy Bittercress
Controls for Hairy Bittercress
jimson weed

Jimsonweed

Growing several feet tall, Jimsonweed is characterized by irregularly toothed leaves and funnel-shaped and purplish or white flowers. They produce prickly fruits about 2 inches long with small kidney-shaped seeds, brownish or black in color.

Toxic Properties of Jimsonweed
Jimsonweed Management
Purple Deadnettle

Purple Deadnettle

Akin to henbit, purple deadnettle is a winter annual that competes with grass to allow summer annual weeds, like crabgrass, to invade. Address issues in the fall to enjoy benefits the following spring.

Purple Deadnettle Control for Lawns
Purple Deadnettle Control for Gardens
Purple Deadnettle Control for Fields
wild parsnip

Wild Parsnips

Wild parsnip is a relative of the cultivated parsnip and can be seen growing in early spring along roadsides, ditches and the perimeter of fields. Avoid this plant due to its toxicity and ability to cause dermatitis.

Wild Parsnip Identification
Cow Parsnip Identification
Weedy Parsnip Management

Weed of the Week – May 16

Hairy Bittercress

Did You Know?

Why keep hairy bittercress:

  • Can be medicinal
  • Can be a parsley substitute

How to get rid of hairy bittercress:

  • Remove the root
  • Chemical control for lawns
  • Mulch to prevent sun

Information by Rakesh Chandran, Ph.D., WVU Extension Service Weed Science Specialist.


Read about Hairy Bittercress


Headlines from the IPM Chronicle

Beware of toxic weedy parsnips

Wild parsnips.
Wild parsnip is a relative of the cultivated parsnip and can be seen growing in early spring along roadsides, ditches and the perimeter of fields. Avoid this plant due to its toxicity and ability to cause dermatitis.

Read about Beware of toxic weedy parsnips

Discouraging herbicide-resistant weeds

Herbicide resistent horseweed.
An integrated pest management method employing cultural, mechanical and chemical controls will help delay, or avoid, the buildup of herbicide-resistant weeds. Whenever feasible, mechanical or other non-chemical methods should be implemented to control weeds.

Read about Discouraging herbicide-resistant weeds

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