15 gardens in Wisconsin checked against official websites: 6 botanical gardens, 5 arboretums, 4 display gardens. Most are listed in or near Madison, Green Bay, Hales Corners. 2 list free general entry and 5 charge admission; the rest are unrecorded or vary.Gardens near Milwaukee Gardens near Madison Gardens near Green Bay
Admission and hours checked September 28, 2026. Prices may change.
Milwaukee County botanical gardens supported by a friends group, with garden walks and classes. Late-season hours are daily 9 am to 4 pm.
University teaching garden of 1.3 acres beside a greenhouse complex with 11 climate zones and over 1,000 plant types. The garden is open dawn to dusk; the greenhouse is open weekdays.
Campus arboretum of 290 acres at UW-Green Bay with over 8 miles of trails through prairie, woods and the Niagara Escarpment. Trails are open daily in daylight.
Formal gardens inside a 34.5-acre city park with an amphitheater, playgrounds, picnic shelters and a bike trail. The park is open 6 a.m. to 10 p.m.
Botanical garden in Green Bay whose opening hours change by month. Buying tickets online costs $1 less per ticket, and members enter free.
A 105-acre county park near Chilton with 3 miles of trails, an observation tower, an arboretum and native wildflower gardens. The nature center building is closed for remodeling.
Three conservatory domes in Milwaukee with tropical, desert and changing floral show collections. Tickets are sold at the door only.
Nature and heritage center in the Coon Valley area with the Helga Gundersen Arboretum, nature trails and a historic homestead. Visitors check in at the Thrune Visitors Center.
Madison garden with 16 acres of outdoor plantings, a Thai garden and the tropical Bolz Conservatory. The outdoor gardens and parking are free.
Historic estate in Oshkosh with a mansion, art galleries and about four acres of display gardens including a rose garden. Prices and hours change by season.
Twenty-acre garden in Janesville with many garden styles, including Japanese, French formal and English cottage areas. Closed in November and December except for the light show.
Free public gardens in Appleton with a native rose garden, wildflower and fragrance areas and a veterans memorial garden. Open daily from 5 a.m. to 11 p.m.
Master Gardener display garden with 20 themed areas, including pollinator, rose, shade, herb and fairy gardens. Open dawn to dusk daily; pets are not allowed.
A 1,200-acre arboretum on the shore of Lake Wingra with trails, restored prairies and a native plant garden. Dogs are not allowed, and there is no admission fee.
Sixty-five acre arboretum and bird sanctuary in Two Rivers with walking trails, pollinator meadows and art. Leashed dogs are welcome and the grounds close at dusk.
These are gardens we could check against their own official websites, not every garden in the area. “Free” refers to general garden entry, not parking, tours or special events. We do not show live opening status.
Read the source and coverage notes
