SWAMP ASTER.This is an long lived attractive American native wildflower. The plant height is variable from 3-5 feet and get 24"-36" wide. They can be found along roadsides, edges of woods, marshes, lake shores and riversides. This is a tough as nails plant that will grow in regular garden soils without any problem, but prefer alkaline conditions. Also can be used in a bog or water garden as they tolerate flooding at the roots. Large flat-topped clusters of 2"-3" light purple-blue flowers in late summer through fall. Very attractive to late summer/fall butterflies and Bee's.100+ seeds per order. Thanks for looking! Symphyotrichum puniceum. Perennial. Full sun/Part sun. Spring, soil temp 65F+. SOW- 4 seeds per, 1/16"deep, 24"apart. Keep moist. Germination 14-21 Days. Thin to single best seedling. Use scissors to cut out unwanted sprouts. Height 3'-5' x 2'-3' wide.