Marsh Botanical Garden
A Yale University garden of about eight acres with more than 2,000 species outdoors and in six greenhouses. Grounds open daily 7 a.m. to sunset; greenhouses weekdays.
Arboretum · Rocky Hill, CT
State park arboretum of over 250 Mesozoic-era plant species beside a dinosaur trackway museum; grounds and arboretum are free and open daily.
See admission details
400 West St., Rocky Hill, CT 06067
Check the date you plan to visit. No live opening status.
Checked October 23, 2026 · Official visitor source
For a future visit, confirm the date, ticket availability and special-event exceptions with the garden.
Independent advertising.
Not a garden recommendation.
Accessibility details have not been recorded for this garden. Check the official visitor information for surfaces, slopes, step-free routes, facilities and equipment.
Official visitor information