Cosmos bipinnatus 'Seashells Mixed'

One of the jolliest mixes of flowers you’ll ever see, blooming their socks off in the garden and picked in a balloon of colour for a vase. More
100 seeds 153070 £2.25 In stock
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When in stock, please allow up to 5 working days for despatch.

Or buy this as part of our Cloud of Cosmos Mix.

More Details

One of the jollyiest mixes of flowers you’ll ever see, blooming their socks off in the garden and picked in a balloon of colour for a vase.

Genus Cosmos
Group/Species bipinnatus
Variety Seashells Mixed
Type Half-Hardy Annual
Common Name Mexican Aster
Border Position Cutting Garden
Soil Type Broad Tolerance
Site Full Sun
Moisture Moist but Well-drained
Height 90cm (36in)
Spacing 45cm (18in)
Sowing, Seeds, Planting Sow under cover in mid spring and plant out after last frosts, or direct sow early May. Grow seedlings on in individual pots or modules until large enough to plant out. Gradually acclimatise to outdoor conditions for 7-10 days before transplanting into the garden after all risk of frost has passed.
Care Tips Pinch out tips at 15-20cm to encourage bushier plants. Stake and tie Cosmos plants if necessary during the growing season, water regularly and dead-head to prolong the flowering season.
Flowering July - October, 12-14 weeks from sowing.
Vase Life Last 7-10 days, no conditioning needed. Pick fresh straight into water, just as the buds are about to bloom, and do not pick in the heat of the day. Deadhead the main blooms that are drooping and going over after about a week. Place out of direct sunlight.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
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