

Rainbow Plume Celosia
(Celosia argentea plumosa)
April – May
March – May
Full sun
Barely Cover
2 – 3 in. apart
7 – 14 days
Summer/fall color
Frost tender
Six weeks before last expected frost date, sow seeds 1 inch apart in a container of seed starting mix. Cover very lightly, no more than 1/8 inch. Keep warm and moist and provide a strong light source until seedlings are ready to plant out in the garden. Feed every 2 weeks with half-strength fertilizer.
Seedlings are ready to transplant when they are large enough to handle and night temperatures are evenly in the 50°F (10°C) range. Gradually acclimate seedlings to outdoor conditions, then plant in full sun 6 to 8 inches apart in rich, fertile soil.
Rainbow Plume Celosia
(Celosia argentea plumosa)
April – May
March – May
Full sun
Barely Cover
2 – 3 in. apart
7 – 14 days
Summer/fall color
Frost tender
Six weeks before last expected frost date, sow seeds 1 inch apart in a container of seed starting mix. Cover very lightly, no more than 1/8 inch. Keep warm and moist and provide a strong light source until seedlings are ready to plant out in the garden. Feed every 2 weeks with half-strength fertilizer.
Seedlings are ready to transplant when they are large enough to handle and night temperatures are evenly in the 50°F (10°C) range. Gradually acclimate seedlings to outdoor conditions, then plant in full sun 6 to 8 inches apart in rich, fertile soil.