Crop Rotation Group
Miscellaneous
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Soil
Fertile, well-drained soil.
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Position
Full sun.
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Frost tolerant
None. Celosia cannot tolerate cold temperatures.
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Feeding
Mix a light application of a balanced organic fertilizer into the soil prior to planting. In midsummer, drench plants with a liquid plant food to stimulate new growth.
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Companions
Dwarf types with upright plumes provide great contrast in form when mixed with flowers that have flat daisy-type blossoms. Tall cockscomb type varieties often are grown as cut flowers.
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Spacing
Single Plants: 7" (20cm) each way (minimum)
Rows: 7" (20cm) with 11" (30cm) row gap (minimum)
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Sow and Plant
Sow shiny black celosia seeds in warm, moist seed starting mix. Seed germination is fast and sure, but most gardeners buy celosia seedlings. Where summers are long and warm, you can direct-sow celosia seeds in spring. Allow 12 inches (30cm) between very tall varieties.
Our Garden Planning Tool can produce a personalized calendar of when to sow, plant and harvest for your area.
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Notes
Celosia often reseeds in warm climates, but not in an invasive way. Flower colors include shades of red, yellow, orange, and pink.
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Harvesting
Snip off spent blossoms to keep plants looking neat, and to prolong flowering. Tall varieties make great cut flowers.
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Troubleshooting
Celosias have few pest problems as long as they are grown in warm weather.
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