USDA Hardiness Zones
4 - 8
August - October
Taller version of aster good for the back of the border. Excellent late summer early fall flowering, Will spread and form large clumps.
Prefers rich high organic matter soils that are well-drained and in a full sun location.
'Prof. Kippenburg' 12-18 inches tall short, compact, lavender-blue flowers
'Purple Dome' 2-3 feet tall, strong grower, multi branched, purple flowers
'Celeste' 18-24 inches tall, late bloomer, blue flowers with yellow centers
'Crimson Brocade' 2-3 feet tall, semi double crimson flowers
'Painted Lady' 3 feet tall, pink flowers
Provide good air circulation to lessen disease problems. Divide every 2 years to keep them vigorous and to control their spread. Cutting back by one-half in mid June can help control the height and produce a more compact plant. Attractive to butterflies.