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Cosmos Red Illusion Seed adds richer red-toned Cosmos colour to sunny South African flower beds and cutting gardens. It offers the easy, airy growth growth type gardeners love in Cosmos, with a bolder colour direction for summer displays.
View the South Africa-specific grow guide: Cosmos Grow Guide for South Africa
Plant Information
- Plant Type: Annual
- Scientific Name: Cosmos bipinnatus
Growing Information
- General Sowing Time: Spring to early summer once frost risk has passed; in warm frost-free regions, sow while soil conditions are warm and settled.
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Position: Full sun
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Sow Depth: 5–6 mm
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Spacing: 30–45 cm
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Germination: 7–14 days at 20–22 °C
- Height: Typically 60-120 cm, with taller plants possible in good conditions.
- Available Pack Sizes: 1 g raw seed, 30 g raw seed
Why Grow Cosmos Red Illusion?
- Red-toned blooms create stronger contrast in mixed annual beds.
- Ideal for sunny borders, pollinator strips and cut-flower patches.
- Fine foliage gives the planting a soft, natural texture.
- Loved by pollinators and useful in wildlife-friendly gardens.
- Simple to grow from seed with basic care.
Garden Uses
Use Cosmos Red Illusion as a taller colour accent among lighter pink, white or yellow annuals. It is a good choice for gardeners building a warm-season cutting garden, a pollinator-friendly border or a relaxed wildflower-style display.
Growing Notes
- Sow in warm soil after local frost risk has passed; avoid cold, waterlogged starts.
- Sow 5–6 mm deep, keep evenly moist through emergence and thin to 30–45 cm.
- Grow in full sun and avoid excessive nitrogen, which produces soft growth and fewer flowers.
- Shelter or discreetly support tall plants where strong wind and summer storms are common.
- Deadhead or cut stems regularly to encourage continued flowering.
Brought to you by Ubuntuberg Seeds, where our mission is to cultivate humanity & harvest unity. Ubuntuberg Seeds: the highest quality seed stock in all of Southern Africa, sourced from sustainable farms, guaranteeing you the best quality seed stock.
