Kennett Square, Pa. – October 02, 2026 -- Longwood Gardens opens its Autumn's Colors season on October 2, running through November 15, 2026, with the Chrysanthemum Festival beginning October 16 inside the East and Main Conservatories.

Kennett Square, Pa. -- Longwood Gardens will open A Longwood Christmas on November 20, 2026, running through January 10, 2027, with a cosmos-themed holiday display and timed tickets already available at longwoodgardens.org.