Prairie aster (Machaeranthera tanacetifolia) is a mounding, low-growing annual wildflower that can spread up to 3 feet in ...

Technically speaking, the aster family is a botanical crazy quilt of composite bloomers (plants whose inflorescences contain ...

A flash of brilliant red-purple: one way that nature tells us to ... At the base of each flower is an ovary, which will eventually form a one-seeded achene, a variation of a sunflower seed.

There’s no lovelier sight than a bright orange butterfly feasting on a purple aster on a crisp September afternoon. In winter, asters’ spiky skeletons provide visual interest and their ...