![Willow Aster - Symphyotrichum praealtus (Aster praealtus) 2](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/aster_praealtus_willow_aster1_john_hilty.jpg)
Photo Courtesy John Hilty http://www.illinoiswildflowers.info/
Common Name: Willow Aster
Full to part sun, wet to medium moisture level; prefers fertile loamy soil. 3 ft. height, blooms in fall, blue flowers, spreads by rhizomes to form small to large colonies.
Germination Code: C(30), D
Native Region: ?
Attractive plant with abundant flowers. Can be aggressive in preferred habitat. Attracts many kinds of insects including bees and butterflies and is larval food for some butterflies and moths.
![Willow Aster - Symphyotrichum praealtus (Aster praealtus) 3](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/aster_praealtus_willow_aster2_john_hitly.jpg)
![Willow Aster - Symphyotrichum praealtus (Aster praealtus)](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/aster_praealtus_willow_aster3_john_hilty.jpg)