Seed Treatment:
Soak seeds in room-temperature water for 4 hours before sowing.
Best Time to Sow:
Late spring to early summer, after the danger of frost has passed
Optimum Temperature: 24–26 °C (75–79 °F)
Germination Time: 5–10 days (up to 21 days in suboptimal conditions)
How to Sow:
• Sow on the surface of moist, well-draining seed-starting mix
• Press seeds gently into the surface — do not cover
• Maintain high humidity and consistent moisture
• Use a clear cover or humidity dome to retain moisture
Light Requirements: Bright, indirect light; a sunny windowsill or grow light works well
Post-Germination Care:
• Move seedlings to a bright, airy spot
• Thin seedlings to prevent overcrowding
• Transplant outdoors when nighttime temps stay above 15 °C (59 °F)
Tips:
• Avoid letting the soil dry out during germination
• Do not overwater — it can lead to damping off
• Celosia thrives in full sun, heat, and well-draining soil
Celosia cristata produces showy, crested flower heads—ideal for beds, borders, and cutting gardens.
- Regular deadheading promotes continuous blooming.
- Very heat- and drought-tolerant once established.
- Avoid over-fertilizing, which can cause leafy growth at the expense of flowers.
- Great for cut flower arrangements and drying—flowers retain color well when dried.