China aster 'Duchess Blue Ice'

Callistephus chinensis

How to grow China aster 'Duchess Blue Ice'

  • Partial Sun

  • Medium

Try to plant in a location that enjoys partial sun and remember to water moderately. Duchess Blue Ice is generally regarded as a half hardy plant, so it will require protection in frosts and low temperatures. Duchess Blue Ice needs a soil ph of 5.1 to 7.5 (weakly acidic soil - weakly alkaline soil).

Growing Duchess Blue Ice from seed

Sow at a depth of approx. 0.2 inches (0.5 cm) and aim for a distance of at least 8.58 inches (22.0 cm) between China aster plants. For optimal germination, soil temperature should be a minimum of 15°C / 59°F.

By our calculations, you should look at sowing Duchess Blue Ice about 42 days before your last frost date.

Transplanting Duchess Blue Ice

Acclimatise plants to outside conditions over 2-3 weeks.

Duchess Blue Ice is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.

Harvesting Duchess Blue Ice

This variety tends to mature and be ready for harvest in late summer.