The huge aster family (Asteraceae) is recognized by the daisy-shape of the flowers. It includes sunflowers, asters, daisies and dandelions. (Benjamin Brink/2009) Learning to recognize 400,000 ...

While Aster yellows is more prevalent in the Midwest, it’s also here in southwestern Pennsylvania and can be confusing to ...

There are a lot of them, all U.S. natives, all members of the Aster or daisy family (Asteraceae), and all attract hordes of pollinating bees, butterflies and other beneficial insects, as well as ...

Asters are also known as starworts, Michaelmas daisies or frost flowers. Flowers in the aster family are found mostly in North America, with a few species extending into South America, and some ...

Blazing star (Liatris spicata) is a clump-forming perennial in the aster family "[It] lives up to its name, with showy spikes of tiny purple flowers that bloom in the summer," says Sam Hoadley ...

The aster family members that we actually call asters are perennials of the Symphyotrichum genus. They include more than 100 species native to North America, at least 14 of which are endemic to ...

The flowers have weird deformities and the plant seems to be struggling. A: These look like the symptoms of aster yellows, a disease caused by a type of virus called a phytoplasma.

Have you noticed how many tall perennials bloom with yellow, daisy-like flowers from midsummer through fall in fields and gardens in this area? There are a lot of them, all U.S. natives, all ...