Cosmos 'Seashells Mixed'
The tubular petals of this variety of Cosmos are pretty and will add softness to a border. As they are unusual, you may want to examine them at close range. Luckily, Cosmos are suitable for cutting. Cosmos is a beneficial annual which will attract beneficial insects, including bees and butterflies.
- Plant type
- Half-Hardy Annual
- Position
- Full Sun
- Height
- 1.2m
- Spread
- 50cm
Growing calendar
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Sow indoors
Sow outdoors
Flowering
Sowing & growing
Sow where they are to flower once risk of frost has passed. Sow March-May under glass in moist seed compost. Lightly cover with thin layer of soil. Propagate at 15-20°C. Transplant seedlings when they are large enough to handle and grow on. Acclimatise before planting out 30cm apart.
Aftercare
For bushier plants, pinch out growing tips when plants reach 15-20cm tall. Deadhead regularly for more blooms. Stems may require staking.
Gallery
Ref. SEC045