Category Archives: Tree Talk

Go inside a tree

In one day, a large tree can lift 100 gallons of water out of the ground and discharge it into the air. Watch this Douglas Fir take in water from its root system and move it up through “tubes” and hair-thin fibres to the tips of its needles, where it escapes in the air to […]

How to make your yard bird-friendly

Help birds suffering from climate change and habitat loss with dozens of tips from Audubon. The secret to success lies in choosing locally native plants, which brim with nutritious insects, berries, nectar, and seeds, and give birds vital refuge. Map out your space to create “habitat layers” and use deep edging to separate native plants […]

When trees and buildings meet

The current revival of green architecture began in the 1970s, when architects and engineers began to incorporate green roofs and other energy saving measures into their projects. Green roofs can be as much as 4.4 degrees Celsius cooler. If used across a neighbourhood, green roofs can reduce the temperature by 7 degrees Celsius. Trees can […]

The effects of trees on safer driving

Did you know tree-lined streets make driving safer? Urban foresters, road designers, and city planners encourage tree planting not only to enhance the livability of urban streets, but to encourage safer driving. One study found a 46% decrease in crash rates after landscape improvements were installed. Another study found that placing trees and planters in […]

Do trees talk to each other?

In his book, The Hidden Life of Trees: What They Feel, How They Communicate, German forester and author Peter Wohlleben describes how forest trees have evolved to live in cooperative, interdependent relationships, share water and nutrients, and send distress signals to each other about drought, disease, and insect attacks. Read more about the work of […]

Crown shyness

A natural phenomenon called “crown shyness” occurs because the uppermost branches of certain tree species don’t like to touch one another. No one knows for sure if trees are trying to reduce the spread of harmful insects, protect their branches from cracking in the wind, or maximize photosynthesis. This peaceful video captures an aerial view […]

Why plant trees in square holes

Did you know planting trees in square holes makes them grow stronger and faster? Round holes promote a circular root structure that can result in the stunting of your trees. Square holes encourage the roots to spread out at the corners and grow into the surrounding earth. And before before you fill the hole up […]