Key Takeaways Neem oil naturally controls pests like aphids and thrips but should be used carefully to protect bees and ...

Anthracnose diseases of hardwood trees are widespread throughout the ... and the remainder of the green leaves of several species of oak. Leaf infections called "galls" are bumps or growths ...

Lichens are not killing your tree, nor are they causing it to fail ... The components are a fungus and a green alga with perhaps a blue cyanobacterium. The fungus provides support and protection ...

This is an abundant and conspicuous lichen found on hardwood tree trunks everywhere around here. It is large, usually somewhat circular, and has a distinctive yellowish-green color (when wet ...

Looking out among the bare trees and forest floor, I find green plants that usually get ... I see another opportunist, jelly fungus, taking advantage of recent moisture. Mushrooms have been ...

Discover how lichens grow on trees, rocks, and gravestones, their vital role in ecosystems, and tips for spotting them in ...

We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century. And now a checkup ...