male cellophane bee on red maple flowers
April 29, 2024
Justin Lewis
When considering the essentials for supporting bees, our minds often turn to vibrant pollinator gardens. However, it might surprise you to learn that bees depend on native trees as well. While trees help humans by offering shade, privacy, and aesthetic appeal, trees also play a crucial role in providing much-needed spring food and shelter for these vital pollinators.
sprinkler spraying water on grass and tree trunk
March 29, 2024
Jess Wilkin
Tags: Tree Care
Sprinklers are a familiar sight on lawns and in gardens, but did you know that they have the potential to negatively impact trees by causing stress? Discover how watering with sprinklers can impact your tree and learn the key to properly watering in our newest blog.
Beneath the cracked bark, the fruity-smelling, grey, white or black fungal mats can be found
March 20, 2024
Jess Wilkin
Oak trees fulfill significant ecological and cultural roles in our urban forest but in 2023, our mighty oaks came face-to-face with a new threat: oak wilt. Check out our top questions and answers about oak wilt and learn what you can do to help prevent the spread of this invasive pest.
adult Mourning Cloak butterfly
March 20, 2024
Joel Sloggett
Enter a world of vibrant wings gracefully dancing amid the blossoms, turning your garden into a whimsical paradise where butterflies paint the air with their enchanting colours. If this imagery speaks to you, LEAF is here to help with your garden metamorphosis! Read on to find out more about our four favourite native shrubs that beckon to butterflies and discover the delights they can add to your yard!
native flower garden with a honey locust tree in the background
March 06, 2024
Justin Lewis
Do you dream of transforming your backyard into a biodiverse paradise where wildlife flourishes? If you have native trees and shrubs, or are considering planting some, you can enhance their ability to offer habitat by creating soft landings—diverse native plantings beneath the native trees. Read on to discover how soft landings can beautify your space while supporting a vibrant ecosystem right in your own backyard!
A cluster of A cluster of pawpaw fruit.
February 28, 2024
Amba P
Ever wanted to add a rare native tree to your yard that combines aesthetic charm and food production? Dive into the captivating culinary delight and cultural significance of native pawpaw trees! With their tropical-looking leaves and distinctive fruit, this member of the custard apple family (Annonaceae) is a true hidden gem. While pawpaws have a rich history of cultivation by First Nations communities, they’re gaining popularity among local farmers and home gardeners too, and for good reason! Read on to learn all about this delicious culinary gem that will delight your taste buds and leave you craving more.
LEAF staff watering a newly planted tree
February 21, 2024
Jon Curtis
Have you heard? If you reside in one of Toronto’s Neighbourhood Improvement Areas (NIAs), you might be eligible to have trees and shrubs planted on your property for FREE! LEAF is here to help make tree planting easier than ever this spring. Read on to learn more about what this exciting new initiative offers and how you and your community can take advantage of it!
A group of 7 people in green LEAF shirts are sitting at a table smiling at the camera after giving t
February 21, 2024
Natasha Jovanovic
Hello – my name is Natasha, and since completing the Young Urban Forest Leaders (YUFL) program at LEAF last year, I’ve become the Education Coordinator. In this capacity, I’m responsible for organizing this free, hands-on training and mentorship program for Toronto youth. I’m excited to share how the program helped me find a fruitful career path in the environmental sector and how it inspired me to lead the 2024 cohort.
Collage of common witchhazel, common elderberry, common ninebark, spicebush and St. John’s wort
February 07, 2024
Justin Lewis
Shake off the winter blues and gear up for a vibrant spring with native shrubs! With over 50 options of native trees and shrubs available through the Backyard Tree Planting Program, the choices are abundant. Not sure which are best for your yard? Fear not, our planting team is here to help! Not only do they help get trees and shrubs in the ground, they’re also eager to share their favourite native shrubs. Read on to discover five exceptional native shrubs guaranteed to instantly elevate your yard.
LEAF staff and volunteers celebrating the achievement of their planting
December 19, 2023
Sarah Halonen
Ensuring native biodiversity in our urban forests plays a crucial role in building resilience against climate change, invasive species and disease. LEAF and the City of Oshawa are working together to educate the community about the importance of biodiversity, planting native species and taking action to restore Russett Park, an Oshawa woodlot.

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