Tips for Weed Control Identify the weed! The pages below are to help you identify weeds. Click on a weed name for more information, including cultural control.
Weed Photos Lawn Weed Photos Invasive Plant Photos and Information Spring Weeds Summer Weeds Fall Weeds

What is a weed?

"A plant whose virtues have never been discovered." Ralph Waldo Emerson
or: "A plant that is not valued where it is growing and is usually of vigorous growth; especially:  one that tends to overgrow or choke out more desirable plants". Merriam-Webster

Need help? Send a photo of your plant to Ask a Gardening Expert or bring a sample to an Ask a Master Gardener Plant Clinic.

Publications

Invasive Plants

Video Series: Invasive Plant Species of Maryland

Read articles about weeds on our Maryland Grows blog.