some trees are experiencing stress that may cause leaves to turn color and drop early, or to simply turn brown. Drought may also delay the color change by a week or more in some cases. Leaves that ...

Over the years Ohio trees have had a continuing list of problems. Oak wilt is currently affecting oak trees. Before that, there was the Emerald Ash Bore for ash trees and earlier there was Dutch Elm ...

the disease is caused by a fungus, Bretziella fagacearum, which grows on the trees’ outer sapwood, restricting the flow of water and nutrients. It turns the leaves dull green, brown or yellow ...

The bark is medium to dark brown ... as the tree ages. The leaves of ironwood produce vibrant yellow fall color. The ironwood, typically an understory species but sometimes found as a landscape tree, ...

The American chestnut ... It is a small tree, usually not more than about 20' tall, and with characteristic sharply ...

Leaves – similar to yellow birch (B. alleghaniensis), but secondary veins may branch. Twigs – slender. Buds – ovoid with scales striated longitudinally. Fruits – nutlets borne in a papery sac ...

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With interesting bark, leaves ... American hornbeam is a slow-growing deciduous tree that requires adequate space but creates a lovely tall border interplanted with flower beds and flowering shrubs.

Also consider: Pecan (Carya illinoinensis) in zones 5-9 in full sun; American aspen (Populus tremuloides) in zones 2-8 in full sun; American hornbeam ... maroon leaves all on the tree at once.

It quickly spread to the Native American population, which had up until now been free of this communicable disease. It’s unclear how many were killed by smallpox, though historians estimate some ...

The American tree sparrow often occurs in flocks of up to 50 birds. In habitat and behavior, they are much like field sparrows, but American tree sparrows are more frequent at bird feeders.