Aster tongolensis 'Wartburgstern'
East Indies Aster
30 - 40 cm
July - August
well drained, humus rich, gritty
acid - neutral - alkaline
fairly hardy, can be short lived
Aster belongs to the family Asteraceae. It's species are native to meadows in temperate regions of the northern hemisphere, the majority in N-America. They grow best in, moist, fertile soil and prefer a sunny position. Most Asters flower late in the summer and through fall, but the species mainly grown in Iceland are alpines that flower earlier, in July-August.
Division in spring.
Seed sown in March.
Seed just covered and kept at 20°C (68°F) until germination. After germination it should be kept at a lower temperature with plenty of light so the plants won't become lanky.
Needs to be divided every 3-4 years to maintain it's vigour.