Cosmos or Mexican Aster

Cosmos or Mexican Aster - Garden Basics - Flower - Annual

(Cosmos bipinnatus )

Produces masses of colorful blooms on a bushy 2 foot plant from midsummer until frost. Seeds are sown directly outdoors. Some varieties grow to 10 feet, however most grow to 1-2 feet. Easy to grow in dry and infertile soils. Deadheading will prolong flowering. Seeds can also be sown in autumn. In warm areas, tubers may overwinter if heavily mulched.

  • Type
  • Propagation
  • Light
    full sun
  • Flower Color
    white, pink, purple, lavender, orange, red
  • Bloom Time
    early or mid summer until autumn
  • Height
    1-10 feet (1-2 for most varieties)
  • Width
    9-12 inches
  • Soil Requirements
    neutral or alkaline pH, dry or average moisture, well drained, moderately rich
  • Zones
  • Uses
    cutting bed, border, edging, dried

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