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Grow a lively, low border of double China asters with Colour Carpet Mix. Its compact habit suits sunny rockeries, window boxes and grouped bedding displays.
Ready to grow a colourful low border? Follow our China Aster Grow Guide for sowing depth, warm germination, South African planting windows and compact-plant care.
Quick Grow Facts
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Plant type: Annual China aster (Callistephus chinensis)
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Sowing time: Start protected trays before a mild, frost-free planting window; use local frost and heat conditions
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Position: Full sun in freely drained soil
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Sow depth: Cover seed lightly, about 3 mm deep
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Germination: Commonly 10–14 days around 21–22°C under suitable conditions; allow extra time before discarding a tray
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Spacing: About 25 cm apart
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Height: About 20 cm under suitable conditions
Why Grow This Variety
- Mixed, double flowers create a colourful front-of-border display.
- Compact plants suit smaller spaces and generous containers.
- A bedding choice for rockeries, edging and window boxes.
Growing Notes
- Keep the seed-starting mix evenly moist, never waterlogged; give seedlings bright light after emergence.
- Harden tray-grown plants gradually before planting outside after frost risk has passed.
- Set plants into a sunny, freely drained bed or container after frost risk has passed.
- Keep roots evenly moist while plants establish; allow airflow around the compact mounds.
- Remove faded or damaged flowers to keep the display tidy.
China asters are ornamental flowers, not food. Keep sowing seed out of reach of children and pets.
Brought to you by Ubuntuberg Seeds.
