Gardening Help Index of Content

Plant Information

Gardening Information

Garden Pests and Problems


Resource Links

Temporary Closure

The Center for Home Gardening is currently closed to ensure staff and visitor well-being. Our Plant Doctor service is still available through e-mail. If you have any gardening questions, you can e-mail us at


Ask the Plant Doctor

This free walk-in service available 7 days a week in the Center for Home Gardening. Expert staff and Master Gardeners are available to answer your gardening questions. Our Plant Doctors can also test the pH of your soil free of charge while you wait. 

Spring/Summer Hours (February - October): 9 am - 5 pm

Winter Hours (November - January): 9 am - 3 pm

Horticulture Answer Service

Available by phone Monday - Friday 9 a.m. to noon, (314) 577-5143. Staff and Master Gardeners are available to answer your gardening questions and can assist you in navigating our Gardening Help information on our website.

E-Mail Us Your Questions

You may email us your gardening questions to Please include images of a plant to be identified or problem to be diagnosed, along with a short description of the issue, such as where the plant is located, when does the plant bloom, when did the disease/insects first appear, etc.  You can attach them to your email.