New York State celebrates Arbor Day, the last Friday in April, by planting trees. The practice recalls a tradition that dates back to the 1870s, when, after settling on a treeless prairie in 1854 ...

6:20 p.m. A chemical safety expert says light gray smoke coming from the controlled burn of highly unstable compounds at a Houston-area chemical plant likely shows harmful elements are burning off.

This plant goes by several names, but whether you call it smoke bush, smoke tree, Cotinus, or even cloud tree or wig tree, it’s an easy-to-grow, wonderful addition to the ...

Masters describes the smoke tree as a “desert tree that could use a celebration. “The smoke tree’s purple bloom is only paralleled by the bloom of the indigo bush,” he says.