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University of Minnesota Extension

Ask a Master Gardener

Have a gardening question?

Get research-based answers from local Master Gardener volunteers. 


You can find many answers on this website.

By email – use the form below

Fill out the Ask an Expert form below to submit your question. An Extension Master Gardener will reply via email within 48 hours.

Please provide as much relevant detail as possible. If you attach photos, please ensure the subject (plant, insect, etc.) is clearly visible.

In person

  • Classes and clinics taught by Extension faculty and Master Gardeners
  • Minnesota Landscape Arboretum Yard and Garden Desk, weekends noon to 4 p.m.

By phone

Call the main Ask a Master Gardener line: 612-301-7590

Or, you can direct your question to a Master Gardener volunteer in your community.

Please call and leave a message. A Master Gardener volunteer will return your call within 48 hours.

Unable to reach your county Master Gardener group? Email mgweb@umn.edu or call the Yard and Garden Line at the Minnesota Landscape Arboretum, 612-301-7590.
Check your local Extension office for their hours and additional contact information.

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