Approximately 500 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:5
Type of plant - perennial
Flower: LAVENDER-BLUE, YELLOW disc, in corymbs
Height in meters: 0.7
Common names for Aster amellus wild form hort.:
Aster amellus wild form hort.
is included in the following B and T World Seeds flowering plant categories:
9: Alpine and Rock Garden Seed List (Hardy and Tender)
34: Oriental Herb and Vegetable Seed List
43: Herbaceous Border Plant Seed List
44: Cut flowers Commercial and other Recommended Varieties
74: West Asian Native and Introduced Plants
77: Central European Native and Introduced Plants
78: South Eastern European Native and Introduced Plants
185: Plant Species whose germination is improved by Smoke
952: Wholesale Selection
Aster amellus wild form hort. seeds will usually germinate in 10-14 days. Sow seeds about 2mm deep in a Well drained seed sowing mix at about 20°C.
Stratification (cold treatment or vernalization) Some seeds need to be overwintered before they will germinate. Some seeds need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".
Pre-chill perennial asters (Pre-chill 2 weeks).