Have a plant or pest question? Questions from Maryland and the District of Columbia are answered by Home and Garden Information Center’s Certified Professional Horticulturists. If you are located outside of these areas, you will be asked to enter your state and county. Your question will be forwarded to the appropriate extension expert.
Invasive Species Resources
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University of Maryland. Cooperative Extension. Home and Garden Information Center.
USDA. Natural Resources Conservation Service.
NRCS offers technical and financial assistance to help farmers, ranchers and forest managers.
National Information System for the Regional IPM Centers.
Provides a searchable database for various key contacts, coordinators and experts.
DOC. NOAA. National Sea Grant Office.