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How to Plant a Coxcomb

Coxcomb, or celosia, is an annual flower that is simple to grow. It has an upright, clumping growth habit, growing to a maximum height of 6 to 8 inches. Coxcomb flowers from June to October, with beautiful blooms in yellow, orange and red. With more than 12 available cultivars, you can find the one that best suits your landscape. Remember to plant coxcomb outdoors in late spring, once you know the danger of frost has passed.

Things You'll Need

  • Seed starting flat or pots
  • Potting soil
  • Water
  • Watering can
  • Coxcomb seeds
  • Garden hose
  • Peat moss
  • Spade
  • Liquid fertilizer
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Instructions

    • 1

      Fill a seed tray, seed flat or small starter seed pots with potting soil. Moisten each section with water. Set several seeds per pot. By putting a few in each pot, you can later thin out the strongest seedlings.

    • 2

      Cover the seeds with a thin layer of soil -- 1/8 to 1/4 inch is sufficient to encourage germination. Put the trays, flats or pots in a sunny spot in your home, such as a windowsill.

    • 3

      Water the seeds regularly to keep the soil moist to the touch. Seedlings will be strong enough to move outdoors in a few weeks.

    • 4

      Choose a sunny garden location for the coxcomb. It should get at least six hours of sunlight daily. Aerate the soil with garden tools to loosen it and break up large clumps. Mix in peat moss to improve drainage. Wet soil will cause coxcomb to experience root rot.

    • 5

      Dig a hole large enough for the flower's root mass. Place the small plant in the hole and cover loosely with soil. Water until the soil is moist, but not soggy. Insert a finger into the ground to determine when you have watered it enough.

    • 6

      Fertilize coxcomb flowers after two weeks with a water-soluble liquid formula. Follow the instructions on the label.