I don't know what this is on my oak tree, but is it anything I should be concerned about? Should I spray with something?

A very high alert for Oak Tree pollen has been issued and is being labeled as an extreme exposure situation. The Oklahoma Allergy & Asthma Clinic (OAAC) originally reported the alert on Tuesday ...

Oak tree pollen comes a little later, in April and May, and affects around 20 per cent of hay fever sufferers. Many charities and campaigners are calling for local councils to choose different ...

Discover what keystone plants are and what role they play in our ecosystems. Learn which plants are considered keystones an ...

Q: One of my five oak trees is having this problem and I’m wondering what I should do. I hope it’s not a disease that could ...

Planting an oak tree, if you have the room, provides acorns and leaves that feed and provide cover for millions of organisms and species while also sequestering carbon.

"We believe the reason for this high genetic diversity is related to the way these tree species survived through the ice ages and to the fact that tree pollen can travel thousands of kilometers ...

Her research, exploring trends over 25 years, shows: Higher annual totals of birch tree pollen Oak tree pollen seasons are getting earlier because of increasing spring temperatures Grass pollen ...

Winds staying up in Omaha tonight, but rain holds off until morning. Rain and thundershowers are likely Wednesday bringing ...

Andrew L. Hipp, illus. by Rachel D. Davis. Univ. of Chicago, $35 trade paper (288p) ISBN 978-0-226-82357-7 Hipp (Field Guide to Wisconsin Sedges), herbarium director at the Morton Arboretum in ...