Nature Walk In Inwood Hill Park

Expired Event
Nature Walk in Inwood Hill Park
Meet us at Inwood Hill Park entrance at 10 AM, on Saturday 5/18, at the intersection of Seaman Avenue and Isham Street, for a Torrey Botanical Society field trip.

Located at the northernmost tip of the island of Manhattan, Inwood Hill Park contains the last remaining native forest and saltmarsh. Despite total urbanization of its surrounding area, the glacier-carved hills and valley of Inwood Hill Park continue to provide refuge for some of the rarest native plants in the region. Join me on a quest to find these hidden gems of Inwood Hill Park. Now is the best time to find tens of thousands of Dutchman's Breeches (Dicentra cucullaria) blooming among Spicebush (Lindera benzoin) in the rich valley forest. The flowers of Pinkster Azalea (Rhododendron periclymenoides) should be conspicuous if you dont get distracted by the profuse blossom of Smooth Serviceberry (Amelanchier laevis) and Lowerbush Blueberry (Vaccinium pallidum) growing on dry rocky ridges. One of the rarest trees in our region, Butternut (Juglans cinerea) was also recently located in the park, it is threatened by an invasive disease known as the Butternut Canker.

A long history of human habitation in Inwood Hill Park means that we will encounter some unusual non-native species, introduced intentionally or accidentally. Ohio Buckeye (Aesculus glabra) has proliferated in lower layers of the canopy; Kenilworth ivy (Cymbalaria muralis) decorates the remnant stone walls with its delicate flowers; Italian Lords-and-Ladies (Arum italicum) became a horrific invasive which was targeted by an eradication program, we will search for that plant and see if the eradication worked.

The field trip will last for 3 hours (10 AM to 1 PM), please come prepared with good walking shoes for uneven terrain and hand lens as we may examine the fruits of sedges (Carex spp.). This walk is free, RSVP is preferred but not required, please contact me at, or text/call me at 347-498-6050.


We will meet at the park entrance at 10 AM, on Saturday 5/18, at the intersection of Seaman Avenue and Isham Street, the entrance is between a baseball field and tennis courts. The easiest way to get there is public transportation. Take A train to the last stop at West 207thStreet, walk north for two blocks along West 207thStreet and turn right at Seaman Ave. Keep walking until you see Isham Street.

Trip Leader: Zihao Wang is a botanist whose focus is on the rare plant species in the New York metropolitan area. He has collaborated with The New York Botanical Garden, New York Natural Heritage Program, and NYC Parks in documenting occurrences of rare plants and exotic plants.
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