Aster (P)
Aster alpinus
Perennial - Zones 4-9
Start inside 6-8 weeks before planting out. Cover seed lightly and provide warmth (24°C). May also be direct seeded in early spring or late autumn. Germination usually takes 2-3 weeks. Transplant after last frost into a sun or light shade location, 12" apart. Prefers well-drained, but moist soil. Water regularly. Divide every 3 years in spring.
Aster novae-angliae 'September Ruby'
Perennial - Hardy to zone 4.
Sow seed inside 8-10 weeks before planting out. Lightly cover seed and germinate at 20°C. Seed should sprout within 2-3 weeks. Grow on seedlings in a bright but cool (13-15°C) location. Pinch back seedlings when they are 6 inches tall to encourage bushy growth. Transplant into a full sun location, 12-15 inches apart. Prefers average, well-drained soil. Divide every 3 years in spring. Height 4 feet. Prefers sun to part sun.
