Gilroy Gardens, a 501(c)(3) non-profit organization, is California’s only horticultural theme park designed for families with young children and garden lovers featuring over 45 rides and attractions, 6 majestic gardens and the world famous Circus Trees. Attractions are designed to educate guests and foster a greater appreciation of the natural world and man’s ability to shape it. 2014 Gilroy Gardens, Inc. A 501(c)(3) Nonprofit Corporation Created & Built by Michael Bonfante.