When you walk across the white sand that's common in Florida's scrub habitat, there is a plant no higher than the top of the toe of your shoes that you could easily overlook. The oversight is ...

Winter is a good time to examine landscape plants. With many of the deciduous plants dropping their leaves, it is easy to see defects and other problems, especially strange things growing on the ...

As the leaves fall from trees and shrubs you may notice the stems of some plants covered with a grayish green crusty or mossy looking growth known as lichen (pronounced "liken"). Lichens will grow on ...

Gardeners and homeowners often contact our Horticulture Hotline at Cornell Cooperative Extension in Oriskany when they notice a grayish blue-green crusty or mossy looking growth on trees, shrubs, ...

On cold winter days, feeding sticks of firewood into my woodstove, I sometimes pause, my eye caught by lichens. Splotchy circles, lacy tendrils. Soft gray, muted gray-green, black. They mottle the ...

I've noticed a mossy growth on the crepe myrtles, roses and oak trees in my yard. Can you tell me what it is? What you are looking at on your plants is called lichen. Lichens are moss-like organisms ...

Throughout the year, I often receive calls from concerned individuals about gray, fuzzy growths appearing on plants that seem to be causing harm. The culprit that raises the alarm is usually lichen.

They grow on almost every plant that has bark. They don't hurt plants, but they can be an indicator that plants are not growing normally because they are stressed. Here are a couple of emails from a ...

Do you have trees or shrubs with trunks and branches covered with gray-green crusty growths? These growths — called lichens — are harmless and do not cause plants' poor growth or decline. Lichen is an ...

All plants and lichens listed as endangered under the Endangered Species Act are sensitive to climate change but there are few plans in place to address this threat directly, according to a new study ...

Winter is a good time to examine landscape plants. With many of the deciduous plants dropping their leaves, it is easy to see defects and other problems, especially strange things growing on the ...