This page gives instructions on growing Celosia.
Celosia, or cockscomb, is an annual flowering plant. It has been used for centuries as part of traditional Chinese medicine for a variety of things including improving vision and helping to stop bleeding. Celosia blooms from mid-summer to mid-fall in a variety of bright colors. Celosia is a wonderful addition to your flowerbeds, borders and container plants.
It is recommended that Celosia be started indoors. It can be started outdoors in areas where there is a long growing season, but it is best to start indoors. Begin 6 to 8 weeks before the last frost. Sprinkle seeds on top of the soil in the starting pots. Do not cover the seeds as they need light to germinate. Place the pots in a tray and fill the tray 2/3 full of water. The soil will draw the water up through the pot and moisten the seeds. Alternatively, you can mist the seeds to avoid displacing them.
Keep soil temperatures between 70 and 80 degrees. Use a grow light. Celosia should germinate within 8 to 14 days from planting. After plants have sprouted, you can either lower the temperature to between 63 and 68 degrees. Be careful not to allow the roots to become too crowded in the starting container as this can slow the development of the plant.
You can transplant them outside once the threat of the frost has passed. Be careful not to move them outside too early as the cooler temperatures and fewer than 12 hours of sunlight will cause the plant to bloom prematurely. Harden off the plant by slowing introducing it to the outside environment. Allow the plants to spend more and more time outside so that there isn’t a dramatic climate shock when they are transplanted.
Celosia prefers well-drained, moist soil high in organic matter. Be sure to mix a generous amount of compost into the soil before planting. Choose a sunny location in your garden. Space plants 6 to 12 inches apart. Taller plants may require staking. Water generously, but do not create puddles or soggy soil. Pinching off the first set of flowers will result in more blooms and a bushier plant.
To plant outdoors, wait until the threat of the frost has passed and the soil has warmed. Plant seeds 4 inches apart. Do not cover seeds. Mist to keep seeds moist. Once the plants have grown their first set of true leaves, thin plant so that there is 6 to 12 inches between each one.
To harvest celosia, cut flowers when they have fully developed. Place in water immediately. To dry celosia flowers, hang fully developed flowers upside down in a dry, well ventilated, place out of direct sunlight.
Pairing varieties of different heights and colors will enrich the look of your garden. Celosia is beautiful in vases alone or as part of a bouquet and as fresh or dried flowers.
Go to Flower Seeds from Growing Celosia
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