Cosmos Sensation is a half hardy annual, that flowers the same year as sown.
- Sow indoors for surest results, 0.5cm deep in trays of compost.
- Water well and place in a warm position, a temperature of 15-20c is ideal.
- Keep moist.
- Seedlings usually appear in 14-21 days.
- Transplant seedlings 5cm apart to other trays when large enough to handle.
- Always handle by a leaf, never by the stem.
- Grow on in cooler, but not cold conditions.
- Gradually accustom young plants to outside conditions, before planting out 30cm apart, when frosts are over.
- Sow outdoors for ease, where they are to flower, 1.5cm deep into finely prepared soil which has already been watered.
- Thin seedlings to 30cm apart.
- Water well until plants are well established.
- Average 120 seeds.