China Aster ‘Supreme Belstead’ is a lovely aster variety.
Grows up to 50 centimetres in height. The centre of each flower is filled with tubular and ligulate white flowers that greatly contrast with the outer ligulate purple flowers.
Flowering over a period from July to late autumn, China Aster ‘Supreme Belstead’ is suitable as part of a border. They are also used often as a cut flower in arrangements.
Genus - Callistephus
Species - Chinensis
Variety - Belstead Supreme
Common name - Aster
Pre-Treatment - Not-required
Plant type - Annual Flower
Hardiness zones - 3 - 10
Exposure - Full sun, part shade
Height - 0,50 m
Spread - 0,25 m
Growth rate - Fast
Bloom season - Summer
Leaf / Flower color - Green / Dark violet with white centers
Soil PH - Mildly acid to neutral (pH 5.5-7)
Soil type - Rich, well drained
Water requirements - Regular light watering
Landscape uses - In the garden these plants look great as part of a border; they are also used often as a cut flower in arrangements.
Seeds should be lightly covered once sown. Sow in the spring, following the last frost.
If you plan to grow China Aster as seedlings indoors for later transplanting then they should be germinated at a temperature of +18-21C for two weeks. Seeds should be sown in peat pots in a vermiculite mix and water supplied from below.
After about seven or eight weeks the seedlings can be planted in the garden in an area of partial shade or full sun with a spacing of 30-50cm.
They prefer to grow in a rich soil that has good drainage and a pH of 6 to 7.
Info source: http://www.gardenershq.com