A Chinese proverb says that the best time to plant a tree was 20 years ago, and the second best time is today. But it's not ...

Chameleons change colour primarily to regulate body temperature and communicate, not just for camouflage. Octopuses use ...

These lush ecosystems once covered a fifth of the country, but today it’s barely one per cent. An ambitious project could ...

Lichens on stone, those "still explosions" as the great American poet Elizabeth Bishop ... Since the trend of consolidation is and has historically been upward, fewer and fewer individuals or ...

Under their magnifying glasses, participants observed shield lichen stretching across ridged tree bark and another species dotting concrete bricks encircling a rock garden that glowed orange under ...

The presence of lichen or moss on backyard trees can understandably be concerning at first. Lichen is a combination of algae and fungus that lives on any number of solid, undisturbed surfaces, ...

Include your photo, headline, and personal message in the Supporter Spotlight to let them know you care! Spotlights start at $250 for one week. Learn More. Often, lichens grow on trees or rocks or on ...

Most older trees in our area have at least one small colony of lichen growing somewhere. Steve Roark is a volunteer at Cumberland Gap National Historic Park.

As a forester, I often get asked tree health questions, and one involves flat blotches stuff growing on well-established yard trees. It’s often blue-green but can come in other colors. These are ...

Those green-blue growths that you see on tree trunks and branches are not mosses. They are lichens. Lichens are not killing your tree, nor are they causing it to fail. They are telling you ...

Some gardeners prefer folk methods of control. A solution of baking soda (2-3 tablespoons per liter of water) or vinegar (1 part vinegar to 3 parts water) can be effective against moss and lichen.