Weeds
Weeds are more than just a nuisance
The spread of weeds on public and private land poses risks to native and rangeland animals, biodiversity and native plant species. Invasive and noxious weeds damage park land and other natural resources and cause economic hardship for homeowners, farmers, ranchers and municipalities. Our experts arm them to do something about it. We can help you identify and deal with things you don't want growing on your property.
Invasive Plant Guide
Our collaboration with other universities led to this guide that can help you identify and deal with invasive plants.
Invasive Species Program
Working with Pima County homeowners and HOAs to manage invasive species.
Publication Archive
Over 100 years of Extension research on horticulture, pest management, plant diseases and more
USDA PLANTS Database
Standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.