How to Grow Celosia
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Your Celosia dates ·
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Supplies You'll Need
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Plant Overview
Growing Requirements
Sun
Full Sun (6-8 hours)
Water
Moderate (1 inch/week)
Spacing
9" apart
Depth
0.125" deep
Height
12-36"
Germination
10-14 days
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Seed Saving Guide
EasyWhen to Harvest Seed
Allow plume or cockscomb heads to dry fully on the plant until fluffy or papery.
Processing
Rub dried heads gently between hands over a bowl to release tiny seeds. Dry 1 week.
Seed Viability
Up to 3 years when stored cool, dark, and dry.
Pro Tip
Celosia self-sows readily in warm climates. Seeds are tiny — store in small labeled packets.
Seed Storage Supplies
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Raised Bed Planting Guides
A 4×8 bed fits 56 plants of Celosia. See plant counts, spacing grids, and companion pairings for every bed size →
Celosia Planting Calendar by Zone
Celosia Planting Calendar by State
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Frequently Asked Questions
When should I plant Celosia? +
Start Celosia seeds indoors 6 weeks before your last frost date, then transplant outdoors 1 weeks after the last frost. Use the search on this page to find exact dates for your ZIP code or city.
How long does Celosia take to grow? +
Celosia typically blooms in about 75 days from planting. Exact timing varies by variety, soil conditions, and local climate.
Should I start Celosia indoors or direct sow? +
Celosia should be started indoors 6 weeks before the last frost date. This gives seedlings time to establish before being transplanted outside after frost danger has passed.
How much sun does Celosia need? +
Celosia requires full sun (6-8 hours) to thrive.
How far apart should I plant Celosia? +
Space Celosia plants 9 inches apart to allow adequate airflow and root development.
How much water does Celosia need? +
Celosia has moderate (1 inch/week) water needs. Consistent moisture is important especially during germination and early growth.
Can you save seeds from Celosia? +
Yes — seed saving difficulty for Celosia is rated easy. Allow plume or cockscomb heads to dry fully on the plant until fluffy or papery. Rub dried heads gently between hands over a bowl to release tiny seeds. Dry 1 week.
How long do Celosia seeds last in storage? +
Properly dried and stored Celosia seeds remain viable for up to 3 years. Store in a cool, dark, dry location in an airtight container with a silica gel packet for best results.
Are Celosia seeds open-pollinated? +
Yes — Celosia is open-pollinated, meaning seeds saved from your harvest will grow plants true to the parent variety. This makes it an excellent candidate for building a self-sustaining garden.
About Celosia
Striking annual with velvety flame-shaped or crested blooms in hot colors. Heat-loving and drought-tolerant. Edible leaves and flowers. Excellent dried flower.
Expect your Celosia to be ready for harvest in approximately 75 days from planting.
Use the search above or browse by zone or state to find the perfect planting dates for your location.