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Participants on Arboricultural Tour of Washington Square Park looking at a Northern Catalpa on November 15, 2025.

Arboricultural Tour of Washington Square Park

ARBORICULTURAL TOUR: Learn about how trees grow in different environments and how their seasonal adaptations. This tree outing will be led by arborist Christopher Biden. Join us on Saturday, November 15th at 11 a.m. The event is free but RSVP is required.

a person with pale skin holding a colored maple leaf in their left hand against a background of dark green leaved plants. Photo by Ave Calvar Martinez: https://www.pexels.com/photo/person-holding-brown-leaf-3220230/

Fall Events in Washington Square Park

The October 13th bird outing has concluded. It was a success with more than 20 species observed including a Black-throated Green Warbler. We are still accepting registrations for the fall foliage outing on November 2nd, 10 am. Sign up now at tiny.cc/leafpeepingnov2.