At Lakewood Forest Preserve near Wauconda, a shingle oak tree stands in the parkway holding ... My sister’s Japanese maple is awash with brown curly leaves, even in February.

Leaves indicate environmental health by their color, spots, blemishes, wilting and curling. Water-stressed ... under 50-plus-year-old coastal live oak trees (Quercus agrifolia).

“I saw in Louisiana a live-oak growing ... to salt water, the trees serve as a defense against extreme weather, with deep roots that hold fast and downward-curling branches that offer shelter ...

A black oak tree can be identified by its bark and leaves. The bark is typically dark blackish or brownish grey, and the leaves are green with lobes that have bristles at the tips. This guide will ...

Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut ...

Artist Clare Hewitt uses fallen oak leaves and sunlight to create her works of art before returning the leaves to the forest ...

Among the most alarming are Bacterial Leaf Scorch (BLS) and Oak Wilt, both of which can kill oak trees. “Most of the time, oak wilt is vectored or carried from tree to tree by insects.