2026 Spring Garden School

Join the University of Idaho Ada County Master Gardeners at Edwards Greenhouse for our 2026 Spring Garden School! There are multiple classes to choose from. Enjoy some short and sweet classes, or take a deeper dive with some of the longer sessions available. Registration is limited, so sign up today!

Cost: $15
Time: 9 AM - 12:30 PM
Date: Saturday, February 28th 2026
Location: Edwards Greenhouse, 4106 Sand Creek St Boise, ID 83703

Please Note: Parking at Edwards Greenhouse is very limited, and carpooling is encouraged. The greenhouse can be chilly in the morning, so bring layers. Coffee and tea provided. All proceeds to support the UI Extension Master Gardener Program and Free Community Plant Clinic. Register soon! SNAP and WIC card holders please contact UI Extension for free registration, limited spots available.

Class Offerings: Registration covers both sessions below and you may choose which classes to attend the day-of.

Fast Track Sessions
9 AM - 9:30 AM | Designing Your Perennial Flower Garden, Advanced Master Gardeners Nancy Hilbrands & Judene Presley
9:30 AM - 10 AM | Wire Bin Composting, Advanced Master Gardener Hatasu Tankersley
10 AM - 10:15 AM | Break
10:15 AM - 10:45 AM | All About Penstemons, Advanced Master Gardener Ellen Berggren
10:45 AM - 11:15 AM | Converting Overhead Irrigation to Drip, UI Horticulture Intern Laura Rogers
11:15 AM- 11:30 AM | Break
11:30 AM - 12 PM | Fruit Trees for the Home Garden, Advanced Master Gardener Richard Uhlmann
12 PM - 12:30 PM | Pruning Roses and other Flowering Shrubs, Advanced Master Gardeners Bob Kempton & Maarten de Witte

Deep Dive Sessions
9 AM - 10 AM | Gardening in the Treasure Valley, University of Idaho Extension Horticulture Educator Sierra Laverty
10 AN - 10:15 AM | Break
10:15 - 11:15 AM | Firewise Landscaping 101, Advanced Master Gardener Kristin Ryan & Jane Kuechle
11:15 AM - 11:30 AM | Break
11:30 AM - 12:30 PM | Vegetable Gardening in Raised Beds & Containers, University of Idaho Extension Program Coordinator & Advanced Master Gardener Ann Feuz

The signatory below agrees that UI may photograph or video any of the undersigned during, and in connection with, the activity. The undersigned agree that UI shall be the exclusive owner of all images and all copyright and other rights in the images.

The University of Idaho is an equal-opportunity employer and educational institution. We offer our programs to persons regardless of race, color, national origin, gender, religion, age, sexual orientation, or disability. Persons with disabilities have the right to request and receive reasonable accommodations. Each participant must be evaluated individually, assessing whether they are qualified for the event and whether they would be able to participate in the event with or without accommodation. So long as the participant meets essential requirements of the activity, participation should be welcomed. Please complete this form to assist in evaluating the reasonable accommodation request at least two weeks prior to the event. Accommodation applications cannot be approved without supporting documentation. Submit this electronic request form by sending the application and documentation to Center for Disability Access and Resources 875 Perimeter Drive Moscow, ID 83844-4257 cdar@uidaho.edu Phone 208-885-6307, Fax 208-885-9404