Welcome to the 2026 South Dakota State Fair Horticulture Exhibition. Horticulture exhibitor handbooks are available to download.
While at the fair, stop in and check us out, we want to hear from you while you and learn what you want to see at the State Fair Horticulture Show!
The mirror room in the Horticulture Building is always decorated so beautifully! It's the gem of the State Fair so make sure to check it out!
Stop in, look around, sit down, and strike up a conversation! We are eager to connect with you and make your day at the fair a memorable and fun one!
The Horticulture Building is open 9 AM - 8 PM daily during the fair with daily educational programs and static exhibit displays.
Thank you to SD Corn for sponsoring the Horticulture Building!
Horticulture Building Schedule of Events
Youth Activity - Coloring Contest
Schedule
Youth Activity - Hand Painted US Flag
Schedule
Wednesday, Sep 2
10:00 am - 2:00 pm
Thursday, Sep 3
10:00 am - 2:00 pm
What's New in This Year's Horticulture Show - Propagation Station
Schedule
All-Natural Fertilizer and Water Retention for Garden Plant Growth
Schedule
Fall Weed Control in Lawns and Gardens
Schedule
Edible Landscaping and Community Food Forests
Schedule
Gardening for Insects
Schedule
How to Improve Soil Health in Gardens
Schedule
Propagation Station and Giant Pumpkin Society
Schedule
2026 Growing Season Weather and Climate
Schedule
Friday, Sep 4
10:30 am - 11:30 am
What is Compost and How is it Made?
Schedule
Vegetable Diseases Observed in South Dakota in 2026
Schedule
How Gardening Can Make Healthy Eating Fun.
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Largest Plant Specimens and GIANT VEGETABLES
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State Fair Camper Cuties – Adults and Kids
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Saturday, Sep 5
10:00 am - 12:00 pm
Soil Amendments, All-Natural Fertilizer
Schedule
The Most Important 10 Minutes in the Life of Your Tree: Planting it Right
Schedule