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  • Type: Flower Seeds

Cosmos Seeds - Bright Lights

$3.69 USD
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Product description

Packed in Resealable Long Life Mylar
Moisture Proof Packets
10+ Year Survival Seed Viability

Cosmos - Bright Lights flowers are easy to grow and butterflies love them. They are a drought tolerant flower and can tolerate poor soil. This makes Cosmos an excellent choice for first time or even experienced gardeners. Add a little color indoors as well, Cosmos make great cutting flowers with lasting blooms that display well. 

  • Category: Flower
  • Type: Cosmos
  • Variety: Bright Lights
  • Family: Cosmos sulphureus 
  • Botanical Name: Sulfur cosmos
  • Hardiness Zones: 2,3,4,5,6,7,8,9,10,11
  • Growing Difficulty:  2        
  • Soil PH:  5.5 to 7.5
  • Fertilizer Requirements:  None
  • Soil Type: Loamy, Avg Moisture, Well-Drained
  • Germination (days): 7 to 14
  • Soil Temp for Germination: 70-80°F
  • Lighting Conditions: FULL SUN
  • Days to Maturity:  80 – 90
  • Planting Depth:  1/8”
  • Distance Apart (in row):  12-18"
  • Row Spacing: 18-24"

Cosmos Planting Instructions

Sowing Instructions


Starting Indoors


Growing Tips

If sown outdoors, seeds may be simply raked into a row.

If planting in cells, cover the seeds lightly with about a 1/16th - 1/8th inch of dirt.

Keep moist until germination occurs (7 - 14 days).

Common Uses

Cosmos are beneficial flowers to keep certain garden pests away. Used in companion planting, they will not only add a beautiful display of color to your garden but protect your other garden plants.


Pick the flowers to add as a garnish to salads or meat dishes.

Harvesting Seed

Harvest Cosmos seed when the flowers head has died.

Pluck the heads off and place them into a paper bag.

Shake the flower heads in the bag to harvest the loose seeds.

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Cosmos Seeds - Bright Lights

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