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How to Grow Crocosmia 'Lucifer'

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Crocosmia 'Lucifer'

Crocosmia × crocosmiiflora 'Lucifer'

flower

Crocosmia 'Lucifer' is a striking ornamental flowering plant renowned for its brilliant red-orange flowers that bloom mid to late summer. This hybrid cultivar produces tall, arching sprays of star-shaped flowers on upright stems above sword-like green foliage. It's a reliable perennial that brings vibrant color and movement to garden borders and is particularly attractive to hummingbirds and pollinators.

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Example Crocosmia 'Lucifer' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Crocosmia 'Lucifer'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Crocosmia 'Lucifer' blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Crocosmia 'Lucifer' dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6–8 hours daily; tolerates partial shade but flowers best in full sun
💧
Water: Moderate water during growing season; keep soil consistently moist but not waterlogged. Once established, relatively drought-tolerant. Reduce watering in winter when dormant.
📏
Spacing: 8–12 inches between corms or young plants inches
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Days to maturity: 60–90 days from emergence to first flowers
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Planting depth: 2–3 inches deep for corms; plant in spring after last frost

Soil

Type: Well-draining loamy to sandy soil
pH: 6.0–7.0
Amendments:
Compost or aged manure to improve soil structure Sand or grit if soil is clay-heavy Perlite or pumice for improved drainage

Growing Zones

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Zones 5b–9b are ideal; hardy in zone 5 with winter protection, thrives in zones 6–9

5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

1

Dormancy & Planting

2–4 weeks

Corms are planted in spring soil as temperatures warm. No visible growth above ground initially.

Plant corms 2–3 inches deep with pointed end up. Ensure excellent drainage to prevent rot. Do not plant until soil has warmed to at least 60°F.

2

Emergence & Early Growth

3–4 weeks

Shoots emerge from corms, producing thin, upright, sword-like green foliage typical of the genus.

Water gently to establish roots. Keep soil consistently moist. Remove any competing weeds. Mulch lightly to conserve moisture and regulate temperature.

3

Vegetative Growth

4–6 weeks

Plant develops dense clumps of tall, narrow green leaves (18–24 inches). No flowers yet; energy goes into foliage and corm development.

Maintain moderate moisture. Apply balanced fertilizer mid-season (10-10-10 or similar) to encourage robust growth. Continue weeding and mulching.

4

Flowering

6–8 weeks (mid-summer through early autumn)

Tall stems (24–36 inches) emerge above foliage, producing arching sprays of small, brilliant red-orange star-shaped flowers opening progressively from bottom to top.

Provide consistent moisture during blooming. Deadhead spent flowers to encourage longer flowering. Tall stems may need staking in windy locations or rich soil. Light feeding (bloom booster) can extend flowering.

5

Post-Bloom & Dormancy Preparation

8–12 weeks (late autumn through early spring dormancy)

Flowers fade; foliage may yellow or brown depending on region and autumn conditions. Plant prepares for dormancy, storing energy in corms underground.

Leave foliage intact until fully dead to allow energy transfer to corms. Reduce watering gradually. In zones 5–6, cut back dead foliage and apply 2–3 inches of mulch for winter protection. In warmer zones, may remain partially evergreen.

Companion Planting

Plan your garden →

Plant with:

Salvias (various species) Gaura Rudbeckias Ornamental grasses (Miscanthus, Panicum) Black-eyed Susan Phlox Coneflowers (Echinacea) Yarrow Daylilies Lavender

Avoid planting near:

Fennel (allelopathic) Plants requiring constant moisture or poor drainage Heavy clay-loving perennials in poorly drained sites

Common Pests

  • Spray with water to dislodge; use insecticidal soap or neem oil if severe. Ensure adequate humidity.

  • Remove affected flowers; use insecticidal soap, neem oil, or spinosad. Encourage beneficial insects.

  • and

    Hand-pick, especially at night. Use slug baits (iron phosphate) or copper barriers around plants.

  • Ensure excellent drainage; avoid overwatering. Remove and destroy affected corms. Treat corms with fungicide before planting if disease history exists.

  • Generally minor; hand-pick or use neem oil if population is high.

Uses

🍳

Decorative Cut Flowers

Culinary

The brilliant red-orange flower spikes make striking fresh floral arrangements and are long-lasting in the vase. The arching sprays add dramatic vertical and movement to bouquets. [source]

🦋

Pollinator Attraction

Wildlife

Crocosmia 'Lucifer' is highly attractive to hummingbirds, bees, and other pollinators. The tubular flowers and vibrant color are especially favored by hummingbirds seeking nectar. [source]

🏠

Garden Border & Landscape Design

Household

A classic mid-to-late summer border plant that provides long-lasting color, height variation, and structural interest. Often used in cottage gardens, mixed perennial borders, and contemporary landscape designs. [source]

🎨

Dried Flower Arrangement

Craft

The seed heads and dried flower spikes retain their shape and color reasonably well when air-dried, making them suitable for dried arrangements and crafts. [source]

💊

Traditional Ornamental Use

Medicinal

While not commonly used medicinally in modern herbalism, crocosmia has mild traditional uses in some herbal systems. The plant is primarily valued as an ornamental. [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 for fresh arrangements once the lowest florets begin to open; they continue to open after cutting (vase life 7–10 days). Cut early morning for best vase longevity. Do not harvest foliage until completely dead in autumn—allow it to transfer energy to corms for next year.

Fun Facts

  • 🌱 Crocosmia 'Lucifer' was bred in the UK and is named for its fiery, hell-like appearance—'Lucifer' meaning 'light-bringer' or 'morning star,' often associated with fire and brilliance.
  • 🌱 The name 'Crocosmia' comes from the Greek words 'crocus' (saffron) and 'osmia' (smell), referring to the faint saffron-like fragrance of some wild species, though 'Lucifer' has minimal scent.
  • 🌱 Crocosmia corms can be dug and stored over winter in cold climates, similar to gladiolus, allowing gardeners to transplant or share them each spring—this plant essentially acts as a tender perennial in zones 5–5b.

Gardening Terms

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

Cultivar Deadhead Full Sun Hybrid Mulch Partial Shade Perennial
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