We use research-based information to answer questions on site selection, insects, diseases, composting, native plants, and more. If we don’t know the answer, we’ll help you find it.

Horticultural Help Desks

Information on seasonal gardening issues is available at the help desks. Questions that cannot be immediately answered are researched, and specimens may be sent to labs at Virginia Tech.

How to prepare plant specimens for diagnosis.

In addition to getting your gardening questions answered at the Extension Office and Farmers’ Markets listed below, you can find Master Gardener expertise at the following events:

  • Albemarle County Fair, at Highland
  • Wine & Rose Festival, at Tufton Farm’s Center for Historic Plants
  • Spring Plant Sale, at Stonefield
  • Heritage Harvest Festival, at Monticello
  • Apple Harvest Festival, at Vintage Virginia Apples

Check our Events Calendar for dates and details.

Virginia Cooperative Extension

Soil test mailing boxes may be obtained here, free of charge.

Call: (434) 872-4583, Monday–Friday:  9:00 a.m.–12:00 p.m.


Visit: Virginia Cooperative Extension
460 Stagecoach Road
Charlottesville VA 22902
Map of our location

Charlottesville City Market

Alternate Saturdays, April–October

Check the Events Listings for exact days/times and directions.

Crozet Market

Alternate Saturdays, MayOctober

Check the Events Listings for exact days/times and directions.


Central Virginia Online Resources

Sources of scientific, noncommercial information on horticultural and environmental topics for Virginia home gardeners.

Gardening and Horticulture

Native Plants

Invasive Plants

Invasive Alien Plant Species of Virginia

Plant Diseases

Integrated Pest Management for Plant Diseases in the Home Garden and Landscape