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Johnson County

Research-based Information You Can Trust — Localized for your needs

Johnson County
11811 S. Sunset Drive
Suite 1500
Olathe, KS 66061

Office Hours:

Monday - Friday,
8:30 a.m. - 5 p.m.

(913) 715-7000
(913) 715-7005 fax

Map to our office

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. Notify staff of accommodation needs as early as possible.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

K-State Research and Extension is an equal opportunity provider and employer.

Demonstration Gardens

gardenThe Johnson County Extension Master Gardener program has nine demonstration gardens throughout the county.

From landscape trees to vegetable to perennials and annuals, there is something for every home gardener to learn and experience. Visit the gardens on volunteer work days to meet the gardeners who design and maintain them.

Backyard Garden (K-State Horticulture Research Center)
Deanna Rose Children's Farmstead
Garden Gallery (Sunset Drive Office Building)
Monet Garden (Overland Park Arboretum)
Shawnee Indian Mission
Shawnee Town
Wassmer Park Garden
West Flanders Garden
Wilderness Science Center

Support for the Demonstration Gardens

Support comes from the Johnson County Extension Education Foundation. Grants include educational signage, equipment, and irrigation projects. Learn more

Do You Have Questions?

Have questions? The Garden Hotline is staffed by trained Extension Master Gardener volunteers and Extension staff who will assist you with questions.

Phone: (913) 715-7050

Email: garden.help@jocogov.org