Local Enhancement & Appreciation of Forests

Improving communities, one tree at a time.

Plant

Our planting programs make it easy to green your space with native trees and shrubs, all at a subsidized cost! Get expert support to plant the right species in the right place with LEAF!

 

Learn More

LEAF arborist posing with a freeman maple tree after planting. © 2023 Brenna Anstett

Blogs

Wound wood forming around an old pruning cut on a green ash (Fraxinus pennsylvanica) tree
When a branch snaps, a tree doesn’t heal the way we do. Instead, it adapts. Read on to learn about the remarkably effective, long-term strategy that trees use to deal with injuries, and why proper pruning can make or break it.
LEAF staff member posing with newly planted tree
Human activity has been impacting our climate for generations. While it is well known that trees help mitigate climate change by capturing and storing carbon, the question of which trees do this best is rarely discussed. Does species matter? Are native trees better than non-native trees? Let’s investigate!
freeman maple leaf with visible galls
Spring is just around the corner, and that means warmer weather, longer days and leafy trees! It’s also the time of year when some people start wondering, “Is there something wrong with my tree?” Of course, the answer to this varies by tree, but here are five common spring tree concerns along with advice on how to tackle challenges.

Events

LEAF staff member showing a branch and leaf during a tree tour
Saturday, June 20 - Join us for a guided tree identification tour in Cullen Central Park (Whitby)
A group of three participating at a LEAF stewardship event
Saturday, June 20 - Gear up for pollinator week by joining LEAF for a morning of stewardship in Georgina! Help us remove invasive species and mulch native trees and shrubs at our Willow Wharf naturalization site. Make a day of it and visit Georgina Beaches and Waterfront Parks!
A volunteer participating at a LEAF stewardship event
Saturday, June 27 – Join LEAF as we cap off Pollinator Week by caring for one of our Oshawa naturalization sites. We’ll be returning to Lakeview Park to remove invasive species and mulch native and trees and shrubs. Help support our essential pollinator communities!
A family of three participating at a LEAF stewardship event
Saturday, June 27 - Celebrate Pollinator Week by helping us improve Whitby’s urban forest and create healthy habitat for our native pollinator friends! Join LEAF at our naturalization site in Whitby Civic Park as we remove invasive species and mulch native trees and shrubs.

News

LEAF staff posing with a tree

Special Offers and Incentives

Residents in select municipalities may qualify for additional incentives to plant for less. If you live in Ajax, Markham, Newmarket or Toronto, find out what is available to you!

Check Eligibility

tulip tree leaves

Our Updated Mission and Vision

Learn how LEAF refreshed its mission and vision with renewed commitment and passion. Discover the thinking, collaboration and values shaping our next chapter together.

Read More

volunteer posing for camera while holding a bucket of mulch at a LEAF stewardship event

Sign Up for Stewardship Events

Help LEAF celebrate 30 years of growing the urban forest by removing invasive species and mulching native trees and shrubs at our York Region and Durham Region naturalization sites.

Sign Up

Give

©2016 Lilian Natalizio / LEAF

Volunteer

Our fantastic volunteers make our work possible.
 

Join us!

©2017 Erin MacDonald / LEAF

Give a Gift

Purchase a LEAF gift certificate and share the urban forest love!

Buy!

©2015 Anne de Haas / LEAF

Donate

Your tax-deductible gift will help us grow a greener tomorrow.

Donate