How to Grow China Aster: Growing Guide to Planting, Care & Harvest

Callistephus chinensis

Growing calendar

Typical timing for central Japan (Kanto region). Shift it for your own climate, and record your actual dates.

Guides

• Growing Asters from Seed: Sowing Depth, Germination Temperature and Thinning
• Aster Care: Spacing, Summer Water and the Early Summer Cut That Stops the Flopping
• When Do Asters Flower, and Why Is Mine Not Blooming? Timing, Shade and Tired Clumps
• Aster Year Round: A Season by Season Schedule from Spring Division to Autumn Cleanup
• Powdery Mildew on Asters: Why the Lower Stems Go Gray and What Actually Stops It

Common problems

Start from what you can see on the plant.

Pests and diseases (21)

Written byYasuGrowing vegetables and fruit in Chiba, Japan, and building Gadenin. Corrections are welcome. 15 years of growing.