The Sadie Seymour Botanical Gardens are nonprofit botanical gardens located on the grounds of the Kona Educational Foundation Center at 76-6280 Kuakini Highway, Kailua-Kona, Hawaii island, Hawaii. Coordinates are. They are open daily; admission is free, but donations accepted.Sadie Seymour founded the outdoor circle to beautify the Kona community. The gardens were designed by landscape architect Scott Seymour on a wedge-shaped plot, and named in honor of his mother. They feature the cultivated plants of Hawaii, arranged in 11 tiers by geographic origin. The first tier contains native Hawaiian plants. Other tiers include Australia, New Zealand, and Indonesia ; Indo-Asia ; Africa ; and Central America .