What’s that red in the woods? Sumac, most likely. “It’s a harbinger,” said Julie Janoski, Plant Clinic Manager at The Morton Arboretum. “When you see those first scarlet sumac leaves, you know autumn ...

We are lucky to live in the northern hemisphere where, every autumn, falling temperatures and diminishing daylight hours magically transform green leaves to brilliant shades of red, orange and yellow.

The eastern face of Flagstaff Mountain lights up each fall as clones of smooth sumac, Rhus glabra, turn brilliant red. Fall brings out the best in clonal species — quaking aspen, gambel oak, ...

There are two kinds of sumac in the Skiatook area – smooth sumac and winged sumac. Smooth or winged refers to the appearance of the stem between the leaves. In winged sumac, a bit of leaf tissue is ...

When I announced to some friends that I was planning to establish a native sumac grove on my property, the first thing I heard was, “Why would you want to plant that trash tree on your property?” I ...