Monthly Announcement

Why do leaves change color in the fall?

Watch Sam’s Video

 

 

Why do leaves change color in the fall?

Watch Sam’s Video

 

 

Explore New York City’s urban forest.

 

City of Forest Day is Saturday, October 26th!

 

Find an event near you

Click for more information!

Buy your tickets!

 

Trees New York’s
Annual Celebration & Fundraiser

 

Wednesday, June 5th, 2024

 

Click to buy a ticket or to become a 2024 Benefactor!

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.

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, 2019
Time: 9 a.m. — 2 p.m.
Location: Snug Harbor Cultural Center and Botanical Garden, Staten Island
Guidance Counselors and Science Teachers: CLICK TO REGISTER
  • Why Leaves Change Color
  • Why do leaves change color in the fall?
  • 3rd Annual City of Forest Day!
  • Sam’s Tree Tips
  • Summer 2024 Online CP Course w/Sarah registration link
  • Save the Date for Trees New York’s Annual Celebration
  • 2023 Year In Review
  • Learn About Winter Tree ID
  • Year-End
  • Citizen Pruner Course Registration
  • Green Horizons Registration
  • Watch Sam’s Tree Tips Video!
  • Read the 2021 Year In Review!
  • Greening the South Bronx!
  • How To Care For Your Tree
  • Citizen Pruner Challenge
  • Green Horizon now open for Registration!
  • Trees Please! Carol Kelley Tree Fund
  • Register for an Upcoming Event
  • Register for upcoming events

Programs

We plant, preserve and protect New York City’s street trees through education and community participation

Young Urban Forester Internship

Young Urban Forester Internship

The Young Urban Forester Internship has a positive impact on the interns and provides tremendous environmental benefits.

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Youth Environmental Literacy

Youth Environmental Literacy

We educate and inspire New York City youth through hands-on activities and classroom studies.

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Citizen Pruner

Citizen Pruner

Master the Art of Tree Pruning!

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Tree Plantings

Tree Plantings

Every new tree improves the health and beauty of our city and offers a valuable learning opportunity.

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Tree Care Training

Tree Care Training

Trees New York trains New Yorkers so that they can play an active role in supporting the health of our urban forest.

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Our Projects

Our “learning-while-doing” approach provides volunteers with the knowledge and skills to ensure that our street trees thrive.