China Aster - Key Growing Information
SOWING: Transplant (recommended) - Sow 1/8" deep into 72-cell flats or preferred seedling container, 6-8 weeks before last frost. Heat and reduced daylength initiate flowering. Establish plantings early to avoid short stems. Direct seed - After your last frost date and when soil temperature is 65-70°F (18-21°C). Provide support. Row cover or insect netting helps prevent the spread of Aster Yellows Virus by leafhoppers. Pinching not required.
LIGHT PREFERENCE: Sun.
PLANT HEIGHT: Varies depending on variety.
PLANT SPACING: 6-12".
HARDINESS ZONES: Annual.
VASE LIFE: 7-10 days.
HARVEST: Fresh: Outside ray florets begin to open. Place immediately in water. Dried: When blooms are fully open.
SOIL REQUIREMENTS: Fertile, well-drained soil. pH: 5.5-7.5 preferred.
USES: Cut flowers, borders.
SCIENTIFIC NAME: Callistephus chinensis