A conservatory is a glass house that keeps tropical, desert or seasonal plants growing indoors. Indoor displays can have their own hours, timed tickets or closures for installation, separate from any outdoor grounds. This list has 49 gardens in 25 states.
Admission and hours checked September 28, 2026. Prices may change.
Historic lath structure in Balboa Park with more than 2,100 permanent plants, including cycads, ferns, orchids and palms, next to a lily pond. Open daily from 10 a.m. to 4 p.m.
A Victorian-style glasshouse in Golden Gate Park with plant galleries and a free evening light show. It is closed on Wednesdays.
A federal living plant museum near the Capitol with an indoor Conservatory, outdoor National Garden and nearby Bartholdi Gardens. Admission is free and no tickets are needed.
A botanical garden in Atlanta with the Fuqua Conservatory, a Children's Garden and seasonal displays. Open Tuesday to Sunday; tickets are date-specific, not timed.
Chicago conservatory with two acres of indoor greenhouses and over ten acres of outdoor gardens. Entry needs a ticket, and reserving ahead is recommended.
A 5-acre botanical garden in Glen Oak Park with a tropical conservatory and 15 theme gardens or borders. Entry is free; donations are welcome.
Park-district conservatory in Oak Park with three display rooms of Mediterranean, tropical and desert plants. Groups of 10 or more must register in advance by phone.
An indoor and outdoor botanical center in Rock Island with a tropical Sun Garden and seasonal exhibits. Open daily except a few holidays.
Elmhurst Park District conservatory with a tropical plant house and three seasonal flower shows a year. Entry is free and it opens every day.
City-run conservatory in Fort Wayne with showcase exhibits and seasonal displays. Open Tuesday to Sunday; late hours on Thursday.
Indianapolis conservatory with a tropical collection and an outdoor Sunken Garden. The conservatory charges admission; the Sunken Garden is free.
Conservatories in Potawatomi Park, South Bend, with tropical plants and a Desert Dome of succulents. Paid entry; hours are longer outside summer.
Downtown Des Moines garden with a domed tropical conservatory, 12 acres of gardens and trails, and a bonsai collection. Hours change by season and it is closed Mondays.
Ten-acre City Park garden with over 2,000 plant varieties, a conservatory, a sculpture garden and a model train garden. Open Tuesday to Sunday with paid entry.
50 acre public display garden in Wheaton Regional Park with aquatic, azalea, butterfly, rose and Japanese style gardens and two conservatories. Admission and parking are free.
Historic glass conservatory in Druid Hill Park, Baltimore, with five greenhouses and a half-acre garden. Open Wednesday to Sunday with free parking nearby.
Northampton college garden with a 12,000-square-foot conservatory, about 6 acres of outdoor gardens and a 127-acre campus arboretum. Free and open daily.
Public garden on the Wellesley College campus with 22 acres of outdoor gardens and the Global Flora Conservatory. Admission is free and student-led tours run during open hours.
Grand Rapids site with themed gardens, a tropical conservatory and outdoor sculpture on more than 150 acres. Adults pay $25; open year-round.
Michigan State University garden in Tipton with a conservatory, bonsai courtyard and sky walk. Open Tuesday to Sunday; adults pay $10.
University of Michigan botanical garden in Ann Arbor with a conservatory, a prairie labyrinth and a children's garden. Free admission; closed Mondays.
Taylor gardens and woodland trails around an open-air conservatory that is a one-third-scale replica of the Belle Isle one. Free to visit from dawn to dusk unless an event is held.
A zoo and the Marjorie McNeely Conservatory with a sunken garden and seasonal flower shows in St. Paul. Entry is free, with a voluntary donation suggested.
City greenhouse in Olcott Park, open since 1935, with tropical plants on view through the winter; volunteer-staffed open hours.
Art Deco display greenhouse in St. Louis' Forest Park with tropical trees, foliage plants, flowers, a fountain and seasonal floral shows. Open every day; admission is $1.
A historic glass conservatory and gardens in Buffalo open daily. Timed last entry is 3:30pm; picnicking is allowed on the outdoor grounds.
An Olmsted-designed park arboretum in Rochester with lilacs, magnolias, rhododendrons and the Lamberton Conservatory. The conservatory is open daily 10am to 4pm.
A 250-acre botanical garden in the Bronx with outdoor collections, the Haupt Conservatory and seasonal exhibitions. Paid tickets are needed; parking is on site.
Oyster Bay estate of 409 acres with over 20 gardens, woodland trails, two greenhouses and a Tudor Revival mansion. Parking fees apply on some days.
Gardens and trails on the Reynolda estate in Winston-Salem, with formal gardens and a conservatory. Grounds are free and open daily from sunrise to sunset; parking is free.
Nearly 2,400 acres on the North Dakota and Manitoba border with formal gardens, a cactus conservatory and trails. Day pass at the gate; passport or government ID needed.
A Columbus conservatory and botanical garden with exhibitions and a children's garden. Regular hours are 10am-5pm daily; the Palm House and Showhouse are closed for renovation.
Historic Akron estate with formal gardens, a lagoon and the Corbin Conservatory. A grounds ticket covers the gardens, Gate Lodge and conservatory.
A 15-acre downtown Oklahoma City garden with the Crystal Bridge Conservatory, a children's garden and outdoor grounds. The grounds are open daily from 6 a.m. to 11 p.m.
A 30-acre historic city garden in Oklahoma City with a color garden, a ten-acre arboretum and the Ed Lycan Conservatory of cacti and succulents.
Gardens, a conservatory and an indoor butterfly atrium in Hershey. Butterfly Atrium entry ends 15 minutes before closing.
Outdoor gardens and conservatories in Kennett Square. Check the seasonal schedule and reserve a timed ticket before visiting.
A conservatory and botanical gardens in Pittsburgh's Schenley Park. Check the garden's visitor notices for area closures.
A city-run botanical center in Providence with greenhouses and outdoor gardens including a rose maze, native plant meadow and edible forest. Open Tuesday to Sunday; tickets are paid.
Historic working plantation near Charleston with a garden of antique roses, a seasonal tropic conservatory and an oak-lined avenue. Admission covers all daily tours.
A reptile and wild animal park south of Rapid City set among planted grounds and the tropical Sky Dome. Fall hours are 9am to 5pm through November 1.
Botanic garden in Fort Worth with a Japanese garden, rose garden and rainforest conservatory. Open seven days a week with seasonal closing times.
A botanical garden with display gardens, a conservatory and a family garden in San Antonio. Adult tickets are $18 to $22 depending on the day.
A Richmond botanical garden with an expanded conservatory, new gardens and a year-round butterfly exhibit. Open daily 9 a.m. to 5 p.m.
A 175-acre garden in Norfolk with more than 65 themed gardens, the Perry Conservatory and a children’s garden. Daytime tickets are for a chosen 2-hour window.
Three conservatory domes in Milwaukee with tropical, desert and changing floral show collections. Tickets are sold at the door only.
Madison garden with 16 acres of outdoor plantings, a Thai garden and the tropical Bolz Conservatory. The outdoor gardens and parking are free.
Botanic garden in Cheyenne with a grand conservatory, curated outdoor gardens and a children's village. Entry is free and the grounds stay open from dawn to dusk.
University greenhouse in Laramie with hundreds of plants from around the world, open to the public on weekdays. Group tours are available by request.
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.
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