The first step to controlling weeds is proper identification. There are many resources available to help with identification.


Virginia Tech's Weed Identification Website and App


Virginia Weed Identification Clinic: Farmers and homeowners can also submit samples to the through their county extension agent.

Find your agent:

For agents: Virginia Weed ID Clinic

Virginia Weed ID Clinic Instructions (for agents)


Other online identification tools include:

University of Missouri Weed ID Guide

 North Carolina State University Turf Files

The Ohio State University Annual and Biennial Weed Guide

The Pennsylvania State University Center for Turfgrass Weed Science Plant ID

University of Delaware Vegetative Grass Key

University of Delaware Broadleaf Identification Key


The University of Tennessee has a fee-based identification service that offers both traditional identification by botanical characteristics and molecular weed identification.