The next potential threat facing Niagara County’s trees could make the jump from across the border. Trees in Canada’s Niagara Region have been infected with oak wilt, a fungal disease that means ...

Experts recommend keeping an eye out for egg clusters and scraping them into buckets of soapy water. Officials issue warning ...

I noticed a lot of small twigs with leaves on them under my oak tree and became concerned about the oak. It is a large, ...

I’ve moved around a lot, and so have gardened in all sorts of settings. From a small, sun-trapped balcony in east London to a ...

During a particularly hot afternoon in June, my staff and I were walking a shaded trail at Garden in the Woods in Framingham ...

morgan23 / Getty Images A fully grown tree may lose several hundred gallons of water through its leaves on a hot, dry day. The same tree will lose nearly no water on wet, cold, winter days, so ...

All tree leaves exhibit margins—the blade-like edges of the leaves—that are either serrated or smooth. Leaf margins can be finely classified based on at least a dozen unique characteristics.