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Cosmos - Double

Cosmos flowers are native to Mexico and require full sun. Cosmos work well as cut flowers and are good container plants. The Cosmos seed is a popular source of food for birds. Cosmos do not like extremely rich soil, if fertilized they will often grow too tall and not be able to stabilize themselves. Planting Cosmos and watering them until they are established will yield the highest quality plant. Once they are established they do not need nearly as much water. These flowers thrive in warm weather and in turn do not tolerate cold or wintry climates.

Product Details:

  • Product Name: Cosmos - Double
  • Latin Name: Cosmos bipinnatus
  • Type: Flower
  • Color: pink,purple,white
  • Cycle: Annual
  • Origin: Introduced
  • Height: 24-40"
  • Germination Time: 7-21 Days
  • Planting Season: Spring and Fall
  • Bloom Season: Spring-Fall
  • Seeds Per Pound: 89,000
  • Seeding Rate (lbs./acre): 30
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*Planting and Bloom Season. Please remember that Planting and Bloom seasons will differ for each variety depending on the location and climate conditions where they are being planted. Please refer to the USDA Plant Hardiness Map provided in our FAQ section for specifics on how to determine the best time of year to plant for your specific situation. The information provided below is based on experienced agricultural practices throughout the Willamette Valley of Oregon and is applicable to Zones 7-10 only.