Events for September 12, 2026

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Small blue-gray bird with a black cap and white face perched on a branch, holding a seed in its beak against a blurred autumn background.

Fall Migration Bird Walk 1

(adults) Autumn has arrived, and for the vast diversity of migratory birds that live in North America, the race begins to return to their wintering grounds to the south. The…

Robin perched on a branch among glossy green leaves, beak open as if singing.

Discovery Weekends

(families with children ages 3 and up) Discovery Weekends return for the Spring! Explore the Arboretum’s gardens and grounds as autumn brings amazing changes. Drop by the Stackhouse Education Center on Saturdays and Sundays anytime between 9 am and 3 pm for this self-guided program for families and children ages 3 and older. Borrow a…

Chipmunk perched on a weathered log, cheeks full, nibbling a leaf against a warm autumn background

Discovery Weekends

(families with children ages 3 and up) Discovery Weekends return! Explore the Arboretum’s gardens and grounds as the season changes. Drop by the Stackhouse Education Center on Saturdays and Sundays anytime between 9 am and 3 pm for this self-guided program for families and children ages 3 and up. Borrow a magnifying glass (please remember…

A wild cat hides behind large green leaves, peering over the foliage with alert green eyes in a lush setting.

Coyotes, Bobcats, & Bears, Oh My! ♿

Rockefeller State Park Preserve 125 Phelps Way, Pleasantville

Learn best practices for minimizing conflict with large wildlife in the Hudson Valley with Leave No Trace Instructor, Martha Bierut.Worried about coyotes, bobcats, and bears within Rockefeller State Park Preserve…

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Weekly Ground Force Session

(age 14+, age 12-13 with adult) Join Our Horticulture Team! Help maintain and enhance the beauty of our gardens and grounds all year long—spring, summer, fall, and even winter! Volunteer indoors or outdoors alongside our horticulturists to support the care and upkeep of our landscape. Tasks vary by session and may include weeding, mulching, watering,…

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Guided Garden Tours

Liberty Hall Museum 1003 Morris Avenue, Union

Come visit and take a Guided Garden tour!

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Plein Air Painting Workshop

(adults and teens 16 yrs+) Experience the joy of painting outdoors at Reeves-Reed Arboretum in this plein air painting workshop led by artist Eric Alexander Santoli. Surrounded by the rich colors and textures of late summer transitioning into early fall, participants will work directly from the landscape, capturing the beauty, atmosphere, and changing gardens of…