COST: Free/GBBG Member; General Admission/General Public Enhance your next visit with an hour long, guided tour through Green Bay Botanical Garden! Trained guides will share stories about the Garden and its special features. Then, stop by to see our summer exhibit, Butterflies & Blooms! Tours are on a first come, first served basis, up to 20 people. If you have a group of 10 or more, please inquire about our Group Tour opportunities.