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Lasdon Park Arboretum — Plant Sale & Garden Programs
Westchester County's 234-acre public arboretum and veterans memorial. Spring Plant Sale is the annual tentpole. Chinese Friendship Pavilion, synoptic garden, and historic mansion. Quiet, under-touristed, rewarding. (Rolling: Year-round; signature Plant Sale May 17–18, 2026 — monitor the source for specific dates.)