How to Grow Ostrich Plume Red

Wikimedia Commons

Ostrich Plume Red

Celosia argentea var. plumosa

flower

Ostrich Plume Red is a striking ornamental flower featuring large, feathery plumes in deep red that resemble ostrich feathers. This tender annual is prized for its showy, velvety flower heads that bloom profusely throughout summer and fall. It makes an excellent cut flower and adds dramatic color to gardens, containers, and floral arrangements.

When should you plant Ostrich Plume Red in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Ostrich Plume Red timeline →

Example Ostrich Plume Red timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ostrich Plume Red

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Ostrich Plume Red blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Ostrich Plume Red dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily for best plume development
💧
Water: Moderate watering; keep soil consistently moist but not waterlogged. Water at soil level to avoid wetting foliage. More tolerant of heat and drought once established than many annuals.
📏
Spacing: 12 inches
📅
Days to maturity: 60-90 days from seed to first bloom
🌱
Planting depth: Barely cover seeds; they need light to germinate. Press gently into soil surface.

Soil

Type: Well-draining loamy soil enriched with organic matter
pH: 6.0-7.0
Amendments:
Compost Aged manure Perlite for drainage

Growing Zones

Find your zone →

Thrives in zones 2-11 as an annual; perennial in zones 10-11

1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

Sign up free to see if Ostrich Plume Red grows in your zone — and get a personalized planting timeline.

Get my Ostrich Plume Red timeline →

Growth Stages

1

Germination

7-14 days

Tiny seedlings emerge with cotyledons (seed leaves) visible

Keep soil warm (70-75°F) and consistently moist. Provide bright light immediately after sprouting. Thin seedlings to proper spacing once true leaves develop.

2

Vegetative Growth

3-4 weeks

Plant develops multiple sets of true leaves and a sturdy stem structure

Maintain consistent moisture and warmth. Feed with balanced fertilizer every 2-3 weeks. Pinch terminal buds when 4-6 inches tall to encourage bushier growth with more flower stems.

3

Budding & Early Flowering

2-3 weeks

Characteristic feathery plumes begin to form at stem tips; color intensifies

Switch to lower-nitrogen, higher-phosphorus fertilizer to promote flowering. Maintain warm temperatures (65-75°F minimum). Remove any early small blooms to encourage larger plume development.

4

Peak Bloom

6-8 weeks

Large, full red plumes reach maximum size and color intensity; plant is densely flowered

Deadhead spent flowers to encourage continuous blooming. Water regularly during hot periods. Support tall varieties with stakes if needed. Continue fertilizing every 2-3 weeks.

5

Late Bloom to Decline

Until first frost

Flowers continue but may fade slightly; seed heads form if not deadheaded

Leave some flowers unharvested if you want seeds for next year. Reduce watering gradually as temperatures cool in fall. Plant begins to decline with first frost.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Dill Allelopathic plants that inhibit seedling growth

Common Pests

  • Spray with strong water stream to dislodge; use neem oil or horticultural oil if infestation is severe. Maintain humidity around plants.

  • Use yellow sticky traps; spray with insecticidal soap or neem oil. Remove heavily infested leaves.

  • Spray with strong water; use horticultural soap or neem oil. Introduce beneficial insects like ladybugs.

  • and

    Hand-pick in early morning or evening. Create barriers with copper tape or diatomaceous earth. Set beer traps.

Uses

🍳

Edible Flower Garnish

Culinary

The feathery plumes can be used as a stunning garnish for desserts, salads, and gourmet dishes. The flowers are non-toxic and add dramatic visual appeal to culinary presentations. [source]

🎨

Cut and Dried Flowers

Craft

Ostrich Plume Red retains its color and form excellently when dried, making it ideal for dried flower arrangements, wreaths, and long-lasting floral displays. [source]

🏠

Fresh Cut Flowers

Household

The striking red plumes make exceptional fresh cut flowers for bouquets and floral arrangements, lasting 2-3 weeks in a vase with proper care. [source]

🦋

Pollinator Garden

Wildlife

The feathery flowers attract bees, butterflies, and other pollinators, making celosia a valuable plant for supporting pollinator populations and creating wildlife-friendly gardens. [source]

💊

Traditional Herbal Uses

Medicinal

In traditional Asian and African medicine, celosia has been used to support eye health and reduce inflammation, though modern scientific evidence is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Cut flower stems in early morning when fully hydrated and plumes are mature but still vibrant. Use sharp shears and cut at least 2/3 of the way down the stem. Ostrich Plume Red makes an excellent cut flower lasting 2-3 weeks in water. Strip lower leaves to prevent bacterial growth. For seed saving, allow plumes to fully dry on the plant; collect seed pods in fall.

Fun Facts

  • 🌱 The name 'Celosia' comes from the Greek word 'kelos' meaning 'burning,' referring to the flame-like appearance of the flower plumes.
  • 🌱 Ostrich Plume varieties were extremely popular in Victorian gardens and are experiencing a major revival in modern ornamental gardening and cut flower production.
  • 🌱 Celosia flowers were among the first plants brought back to Europe from tropical regions during the Age of Exploration in the 16th century.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Ostrich Plume Red planting timeline

Tell us your zip code and we'll calculate exactly when to start Ostrich Plume Red seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Ostrich Plume Red timeline →