Asters generally refer not only to the stunning flowers in the aster genus, but also their closely related North American ...

Whether they be North American native asters in the genera Symphyotrichum and Eurybia or European or Asian varieties in the ...

These late-blooming plants native to North America help feed butterflies — especially monarchs-— at a crucial point.

One of the most intriguing discoveries in the study of aster yellows is the apparent link between drought in the U.S. Great ...