Organic Garden Selections
Cosmos Bright Lights Mix
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🌞 Cosmos ‘Bright Lights Mix’ – Fiery Blooms for Summer Borders & Pollinator Gardens
Light up your garden with the radiant hues of Cosmos 'Bright Lights Mix'.
This semi-tall variety of Cosmos sulphureus produces silky, daisy-like flowers in vivid shades of orange, gold, red, and yellow, blooming continuously from midsummer to the first frost. With feathery foliage and a free-flowering habit, it’s ideal for mass plantings, cottage gardens, and pollinator-friendly borders. Easy to grow and drought-tolerant, it thrives in sunny, well-drained locations.
- Botanical Name: Cosmos sulphureus 'Bright Lights Mix'
- Height & Spread: 70–90cm tall × 30–45cm wide
- Position: Full sun
- Soil: Well-drained, moderately fertile loam (pH 6.0–7.0)
- Flowering Period: Midsummer to autumn
- Uses: Borders, wildflower gardens, containers, cut flowers, pollinator habitats
- Other Names: Sulphur Cosmos, Mexican Aster
- approx 0.500g/ 40 -60 seeds
Why You'll Love It:
- Bold colour mix: orange, gold, red, and yellow
- Long-lasting blooms with minimal care
- Attracts bees, butterflies, and beneficial insects
- Excellent for cutting and drying
- Thrives in heat and poor soils
🌱 Growing Instructions (Care Guide)
🌞 Sunlight:
Requires 6–8 hours of full sun daily for optimal flowering and sturdy growth.
🌱 Soil:
Prefers well-drained, fertile loam with a pH of 6.0–7.0. Avoid overly rich soil, which can reduce flowering.
🌱 Sowing Instructions:
- Sow directly in spring after last frost or indoors 4–6 weeks prior
- Cover seeds lightly (3–5mm deep)
- Germinates in 7–14 days at 20–24°C
- Space plants 30–50cm apart for stronger stems
💧 Watering:
Water regularly during establishment. Once mature, water moderately—drought-tolerant and thrives in heat.
✂️ Maintenance:
- Deadhead spent flowers to encourage more blooms and prevent unwanted seed formation
- Pinch out seedlings at 30cm tall to promote bushier growth
- Replace seasonally for best performance
🌼 Tip:
Perfect for pairing with zinnias, salvias, or calendula in a summer border. Ideal for warm-temperate climates like Victoria.
