Cosmos Bipinnatus – Seashells Organic


Perfect for a hot sunny border, Celosia also known as “cockscomb” produces masses of soft, feathery, erect 15-30 cm” long plumes in scarlet, orange, bright yellow, pink, cream on multi-branching plants.


Cosmos Bipinnatus – Seashells organic

Cosmos Bipinnatus – Seashells organic. An Heirloom variety from the 1800’s producing an exquisite display of tubular-petalled blooms somewhat similar to a sea shell in lovely pastel colours of white, pink, rose and crimson on tall and busy plants with delightful lacy fern-like foliage. The delicate foliage and colourful flowers make an outstanding background planting that blooms all summer long. Cosmos are easy to grow and literally thrive on neglect. Half-hardy annual, 4-5′ tall.

(Soil Association Certified Organic Seed)

 Cultivation advice Cosmos Bipinnatus – Seashells organic

Days To Germination: 5-10

Planting Depth: 1/4 inch

Spacing, Plant: 12 inches

Plant Height: 36-48 inches

Light: Full Sun

  • Sow early indoors / under cover with warmth 4-6 weeks prior to the last frost in individual pots or trays.
  • Cover seed with 1/4 inch fine soil. Keep soil moderately moist and warm during germination.
  • Can be sown directly outdoors after danger of frost has passed through early summer.
  • Thin or transplant to 12 inches apart when plants are 2 to 3 inches tall.
  • Gradually acclimatise outside after all danger of frost has passed.
  • Cosmos grows best in full sun in ordinary garden soil and may re-sow itself.
  • Fairly drought resistant, water only when soil is dry for an extended period.