Black knot is a fungal disease that disfigures certain flowering trees. Control the disease by pruning in February through March.

“If your neighbor took reasonable care to maintain the tree branch, and the tree branch did not seem to a reasonable person to be threatening to fall,” they’re “probably not” liable if a storm sends ...

An arborist can diagnose disease and pest problems, schedule seasonal treatments for trees, and selectively prune your trees in a way that will strengthen them rather than shortening their lifespan.

You might not think a single pruning choice could start a neighborhood fire, but when branches touch or sag toward live wires ...

You also can bend the branches. “If they are brittle and snap, they’re dead. If they are flexible, they are alive,” says Engel. “You may have some branches that are dead, but that doesn’t necessarily ...

It decimated magnolias, oaks and other species in wealthy suburban enclaves, rural communities and urban parks.

The Kmart-branded lights had "literally disintegrated" in the strike and burnt the pattern into the tree trunk, which sits ...

Visitors are amazed by the centuries-old muom tree at Pho Minh Pagoda, still green and full of life despite major decay ...

Here’s how it works: During a sudden cold snap, the sap and water inside a tree’s trunk freeze and expand. If this expansion ...

Frost cracks appear as vertical splits in the trunk of a tree and are the result of plant tissue expansion and contraction.

After recent warnings on social media, Don Kinzler asked readers about their own frost cracks, and they delivered.

Plant Medic columnist Ricky Kemery says it can be alarming to hear when a frost crack occurs, but frost cracks are generally ...