Contact Us

If you have a general inquiry or are looking for a specific Arboretum department or hotline number, please call the related department listed below or email

If you have gardening questions, please visit the Yard & Garden Help Desk in the Visitor Center, staffed Saturdays & Sundays, 10 a.m. - 4 p.m. or call the Help Line at 952-443-1426. Got questions about problems in your home garden or landscape? Just ask a Master Gardener! Submit a question and a University of Minnesota Extension Master Gardener volunteer will email an answer within 48 hours. Please see form at end of this page to submit gardening questions.

Donations - If you are with a community group or civic organization interested in a donation of VIP admission passes from the Arboretum to assist in your fundraising, please fill out a form and submit your request. Allow for six weeks via mail delivery or a pick-up can be arranged. Sorry, no phone calls can be returned. You may email for additional assistance.

Over the next year, Arboretum phone numbers will gradually be rolling into the University of Minnesota phone network. Visit this page to see new phone numbers as they are assigned. If a department has had a new number assigned, the old number will no longer be in service.

Mailing address:
3675 Arboretum Drive
Chaska, MN 55318

Department Old Phone Number New Phone Number
Main Info Line 952-443-1400 Not yet assigned
Apple House Info Line 952-443-1409 612-301-3487
Auxiliary-Event Info Line 612-625-9865 Not yet assigned
Bloom Line 612-625-9791 Not yet assigned
Donations 952-443-1432 Not yet assigned
Education Office 952-443-1422 612-301-1210
Gatehouse 952-443-5109 Not yet assigned
Gift Store Front Desk
952-443-1439 612-301-7619
Library 952-443-1405 Not yet assigned
Master Gardener Program 952-443-1442 Not yet assigned
Membership Office 952-443-1440 Not yet assigned
Memorials 952-443-1432 Not yet assigned
Reservations 952-443-1411 Not yet assigned
Ski Trail Information 612-625-9793 Not yet assigned
State Master Gardener Office 612-625-4211 or Not yet assigned
Volunteer Office 952-443-1437 612-301-1203
Weather Information 952-443-1400; ext. 7054 Not yet assigned
Yard & Garden Desk 952-443-1426 Not yet assigned

The following form below is for gardening questions only.

Plant images