Plumed Cockscomb (Celosia argentea var. plumosa)

Plumed Cockscomb

Celosia argentea var. plumosa

A vibrant, flame-like bloom that brings the warmth of summer to any garden. Annual flowering plant; other names: Feather Cockscomb.

Requires full sun to produce the most vibrant colors and robust plumes.
2/week
Easy
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Plant Needs

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Sunlight Requires full sun to produce the most vibrant colors and robust plumes.
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Watering Moderate watering; prefers evenly moist soil but is highly susceptible to root rot if waterlogged. Allow the top inch of soil to dry out between waterings.
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Temperature Thrives in hot weather and is very frost-tender. Growth stunts below 15°C.
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Characteristics

  • Leaves: Alternate, lanceolate to ovate, green to dark bronze or red, with entire margins and prominent venation;
  • Flowers: Dense, feathery, plume-like inflorescences (spikes) standing erect above the foliage, in vibrant shades of red, yellow, orange, and pink;
  • Stem: Erect, fleshy, often ribbed, green or tinged with red, branching depending on the cultivar.
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Care Guide

Watering

Water deeply 2-3 times a week during hot, dry spells, allowing topsoil to dry slightly.

Fertilization

Apply a balanced liquid fertilizer every two weeks to encourage strong vegetative growth.. Avoid excessive nitrogen, which promotes leafy growth at the expense of the colorful plumes.

Banana Peel Tea:Steep chopped banana peels in water for 24-48 hours. Dilute 1:1 with water and apply to the soil to promote vibrant plume development. Discard peels in compost to avoid fruit flies and odors.
Pruning
  • Pinching: Pinch back the center stem when the plant is young (about 6 inches tall) to encourage lateral branching and more blooms;
  • Deadheading: Remove spent or faded plumes to redirect energy into new flower production and maintain a tidy appearance;
  • Air Circulation: Thin out overcrowded stems to improve airflow and prevent powdery mildew.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Non-toxic to cats per ASPCA.

Humans: Non-toxic to humans. The leaves and flowers of the wild type are even consumed as a vegetable in some cultures, though ornamental varieties are not recommended for eating.

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Garden Uses & Culture

Culture: In Victorian flower language, Celosia represents humor, warmth, and silliness due to its bright, fuzzy, and somewhat comical appearance.

Usage: Highly valued as a bedding plant, border plant, and container specimen. The plumes are excellent for fresh cut flower arrangements and retain their color beautifully when dried for winter bouquets.