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Cosmos Sulphureus Redcrest

£1.59£11.99

A showy and large graceful annual with bright 3-5cm blooms in a stunning orange red which is sure to make a bold, beautiful statement in your flower garden. Lacy finely cut foliage and silky flowers give an airy touch to the garden flowering consistently from midsummer to the first frost. Very effective when grown in masses as a background planting and informal flower gardens, highly attractive to butterflies.  Makes excellent cut flowers. Tolerates poor soil, heat and dry conditions.

SKU: rng_COSMOS - SULPHUREUS REDCREST Categories: , ,

Cosmos – Sulphureus Redcrest

  1. Start the seeds indoors between March-April.
  2. Sow the seeds on the surface of moist compost and lightly cover
  3. Place in a heated propagator at a constant temperature of 20-25c.
  4. Alternatively, sow directly outside between May-June.
  5. The seeds will germinate in 7-21 days.
  6. Once the seedlings are 5-7cm, transplant into individual pots.
  7. Gradually acclimatise the plants to cooler conditions.
  8. When the seedlings have formed 2-3 pairs of leaves, pinch out the tips.
  9. Plant out once the risk of frost has passed (May-June).
  10. If growing in pots, use a liquid feed every couple of weeks.

Sowing Indoors: March-April
Sowing Outdoors: May-June
Days To Germination: 7-21 days
Optimum Soil Temperature: 20-25c
Plant Height: 80cm
Plant Spacing: 30cm
Flowering Months: June-September
Light: Full sun

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2025 Premier Seeds Direct

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