Willow Aster

Photo Courtesy John Hilty http://www.illinoiswildflowers.info/ Photo Courtesy John Hilty http://www.illinoiswildflowers.info/ Photo Courtesy John Hilty http://www.illinoiswildflowers.info/

Willow Aster Symphyotrichum praealtus (Aster praealtus) 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. flower;sun;wet;loam flower;sun;medium;loam flower;sun/shade;wet;loam flower;sun/shade;medium;loam