Trees New York is committed to expanding our city’s canopy through tree planting and stewardship, but we need your help!
Please donate and help us grow our efforts in 2026. Click to donate!
Why do leaves change color in the fall?
Celebrate City of Forest Day 2025 this Saturday, October 4!
Visit our events page to find celebrations taking place throughout the city.
Explore New York City’s urban forest!
In anticipation of City of Forest Day 2025 on Saturday, 10/4, visit our events page to find celebrations taking place throughout the month of September.
Buy your tickets!
Trees New York’s
Annual Celebration & Fundraiser
Wednesday, June 4th, 2025
Happy New Year and thank you to all of our supporters who helped us end the year strong!
Watch Sam’s presentation!
Twigs, Buds and Bark – Winter Tree Identification
Please make a year-end donation to Trees New York and help us expand our programming in 2024!
Click here to read 2023 highlights made possible with your support!
Why do leaves change color in the fall?
Click here and watch Sam’s Video to learn more!
Please note that registration for the Citizen Pruner Course has been rescheduled to Saturday, September 30th at 11 am. To avoid any technical difficulties with our server, we moved registration over to Eventbrite. Please use the following link and click on the “Details” button to the right to select your preferred date and time: https://tinyurl.com/6fva3dk3
Thank you for your patience!
We are pleased to announce that the server issue has now been resolved and we will reopen Citizen Pruner registration once again on 4/10 at 7 pm.
Trees New York is Greening the South Bronx! DEC Announces $500,000 Environmental Benefit Project to Support Trees New York’s ‘Greening the South Bronx Project
To enter the fall Citizen Pruner Challenge, you must complete a street tree care activity and record it on the NYC Parks Street Tree Map. LEARN MORE!
Green Horizons
Date: Thursday, October 17, 2019Time: 9 a.m. — 2 p.m.Location: Snug Harbor Cultural Center and Botanical Garden, Staten IslandGuidance Counselors and Science Teachers: CLICK TO REGISTER