As autumn settles in, many homeowners are looking to prune their oak trees, but the timing is crucial to ensure they stay ...

Signs and symptoms of pests and diseases are also causes for concern. Apple scab on apple and crabapple trees has been ...

The oak bonsai tree is relatively resistant to pests and diseases. However, it is important to watch out for common pests like aphids and spider mites, and treat them promptly if they appear. Oaks are ...

It turns the leaves dull green, brown or yellow, and eventually the tree loses its leaves ... through underground root grafts, “Oak wilt is not a disease that is spread in a nursery” because ...

The galls are yellowish green or red and often remain attached to fallen leaves. The spring generation forms inconspicuous galls in oak buds. Oak gall wasps are part of the biodiversity that a healthy ...

They're the tiny, fuzzy yellow or brown balls on oak leaves and branches. You could spot one or two, then dozens around the same tree. Oak galls are the result of gall wasps. Inside the galls are ...

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WHITE OAK, Pa. (KDKA) — A homeowner in White Oak said a contractor left a huge mess after cutting down three trees last week ... away branches and limbs, it leaves additional wood stacked ...

A Valley Oak tree in Stevenson Ranch that’s believed to be more than 400 years old has been designated a Los Angeles County Historic Landmark. Why it matters: The tree, dubbed “Old Glory ...

The tree stands proud, alone, about 80 feet high, with green leaves and a thick trunk, unmarked except for the white fence around it. The massive oak, with the scientific name Quercus lobata ...