Aster Double Mix Flower Seeds

About Aster Double Mix Flower Seeds

China Aster double mix — a popular flower for winter beds and pots, available in many colours. Also good as a cut flower.

• Botanical name: Callistephus chinensis
• Care level: Easy
• Expected germination time: 10-15 days under suitable conditions*

How to Grow

1. Fill a seedling tray or small pot with a fine, clean, well-draining seed-starting mix.
2. Sow at the right depth — 5 mm.
3. Water gently with a spray bottle so the seeds are not displaced. Keep the medium moist, not waterlogged.
4. Place the tray where it gets the right light for this plant (full sun). Protect young seedlings from harsh afternoon sun.
5. Under suitable conditions, sprouts usually appear in 10-15 days.

Light, water, soil and feeding

• Light: Full sun
• Water: Keep the soil evenly moist. Water at the base, not on the flowers.
• Soil: Well-drained loamy soil with compost.
• Temperature: Cool 12-25C best.
• Fertiliser: Phosphorus-rich feed every 2–3 weeks at budding stage.

Sowing season in India

September–November. Exact timing depends on your local temperature and conditions.

Common problems

Wilt disease — do not plant asters in the same spot every year. Damping-off in seedlings.

*Germination time is an expected range under suitable temperature, moisture, sowing depth and storage conditions. Natural germination cannot be guaranteed.