When you've always known deciduous trees to drop their leaves in winter, seeing one that hasn't can be unsettling. Here's why ...

While the leaves of the aspens and birches prepare to die, the spruce trees will remain green all winter long. (Courtesy of Carbone boréal) , Author provided (no reuse) ...

For trees to grow, they need three things - sunlight, nutrients and water. In the summer months, leaves use a chemical called chlorophyll to capture sunlight. This is what makes them green.

Catalpa Trees Are Making a Comeback—Here's How to Add One To Your Yard first appeared on Dengarden on Jun 14, 2025 This story ...

Brown leaves attached to huge white oaks danced in the wind. The long, brownish-yellow leaves of the sumac were complemented by the persistent red berries on this native shrub growing along the trail.

Spruce trees that experienced long-term droughts were more resistant to future ones, while pines acclimatized to wet periods were more vulnerable.

Find out about common North American trees with pinnate leaves. Learn how to identify hickory, ash, walnut, black locust, and pecan using this guide.

Trees primarily respond to two natural factors to trigger leaf fall: the length of the day and the drop in temperatures. The duration of daylight, also called photoperiod, is one of the key triggers ...

IT has recently been found that four types of vein unions occur in the leaves of Ginkgo biloba L. and that long shoots have a significantly higher average per cent of leaves with anastomoses than ...