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How to Grow Gladiolus 'Eurovision'

Gladiolus 'Eurovision'

Gladiolus × grandiflorus 'Eurovision'

flower

Gladiolus 'Eurovision' is a tall, vibrant ornamental flower known for its striking orange-red blooms with yellow markings on the lower petals. This dramatic cultivar is prized by florists and home gardeners for cut flowers and garden displays. It grows upright spikes of closely-spaced florets that open progressively from bottom to top over several weeks.

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Example Gladiolus 'Eurovision' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Gladiolus 'Eurovision'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Gladiolus 'Eurovision' blooms

    Around Jun 26

    ≈ 70 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum
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Water: Keep soil consistently moist but never waterlogged. Water deeply 1-2 inches per week. Increase frequency during active growth and blooming. Reduce watering after flowering.
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Spacing: 4-6 inches apart inches
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Days to maturity: 70-90 days from planting to first bloom
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Planting depth: 4-6 inches deep (plant corms pointed end up)

Soil

Type: Well-draining sandy loam or loamy soil
pH: 6.0-6.8
Amendments:
Compost Perlite or sand for drainage Bone meal at planting

Growing Zones

Find your zone →

Thrives in zones 6-9; treat as an annual in colder zones

6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Sprouting & Vegetative Growth

3-4 weeks

Shoots emerge 2-3 weeks after planting. Long, sword-shaped green leaves develop rapidly in a fan formation. No visible flower spike yet.

Ensure consistent moisture. Begin staking tall varieties now if needed. Apply balanced fertilizer every 2-3 weeks. Thin crowded plantings to improve air circulation.

2

Spike Emergence

2-3 weeks

A central flower spike emerges from the leaf cluster, beginning to show bud clusters along its length. The spike elongates quickly and reaches its full height.

Install sturdy stakes or grow-through supports to prevent wind damage. Increase phosphorus and potassium fertilizer to support flower development. Continue consistent watering.

3

Budding & Color Development

1-2 weeks

Individual buds swell along the spike, revealing the characteristic orange-red coloring with yellow markings. Buds are tightly closed but coloration is visible.

Apply flowering fertilizer rich in phosphorus. Deadhead any diseased or damaged buds. Maintain steady watering and support the heavy spike weight as it lengthens.

4

Blooming & Flowering

3-4 weeks

Florets open sequentially from bottom to top, displaying the vibrant orange-red petals with distinctive yellow throat markings. The spike remains attractive for 3-4 weeks.

Provide bright, indirect light to preserve color intensity. Remove spent florets from the base as they fade. Continue staking support. Avoid overhead watering to prevent petal spotting.

5

Post-Bloom & Corm Maturation

4-6 weeks

Upper buds fall without opening; florets completely drop. Foliage remains green as energy transfers underground to develop new corms for next season.

Do NOT remove foliage yet. Continue watering and fertilizing lightly. Allow 4-6 weeks for corm maturation after last bloom. Reduce watering gradually as foliage yellows.

Companion Planting

Plan your garden →

Plant with:

Roses Dahlias Zinnias Lavender Salvia Celosia Marigolds Russian sage

Avoid planting near:

Other gladiolus varieties (to prevent disease spread and cross-pollination) Fennel Beans Onions

Common Pests

  • Spray with insecticidal soap or neem oil weekly. Remove affected flowers. Use sticky blue traps. Introduce beneficial insects like lacewings.

  • Increase humidity with regular misting. Spray with horticultural oil or neem oil. Remove heavily infested leaves. Avoid water stress.

  • Plant disease-free corms from reputable sources. Improve drainage. Avoid overhead watering. Remove infected plants. Sterilize tools between cuts. Rotate planting locations yearly.

  • Use pathogen-free corms. Improve air circulation. Avoid overhead watering. Remove infected foliage promptly. Disinfect tools and storage areas.

  • and

    Hand-pick visible larvae. Use Bacillus thuringiensis (Bt) spray. Remove debris where larvae hide. Apply diatomaceous earth around base.

Uses

🍳

Edible Flowers

Culinary

Gladiolus petals are edible and can garnish salads, desserts, and cocktails. Their mild flavor and striking appearance make them popular for upscale plating and decorative purposes. [source]

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Cut Flowers & Arrangements

Household

Gladiolus 'Eurovision' is a premium cut flower prized by florists for weddings, events, and arrangements. Its tall, dramatic spike and long vase life make it ideal for contemporary and traditional floral designs. [source]

🦋

Pollinator Attraction

Wildlife

The vibrant orange-red flowers and abundant nectar attract bees, hummingbirds, and butterflies, supporting local pollinator populations in the garden. [source]

🎨

Dried Flower Projects

Craft

Spikes can be dried for long-term arrangements, wreaths, and dried bouquets. Harvest when most florets have opened, hang upside down in a dark, well-ventilated space for 2-3 weeks. [source]

🏠

Garden Display & Color

Household

The bold orange-red with yellow markings provides striking mid to late-summer color in beds, borders, and containers, serving as a focal point in landscape design. [source]

Harvest Tips

Cut spikes in early morning when the lowest 1-2 florets are opening but upper buds remain closed. This maximizes vase life (7-14 days). Use a sharp knife and cut at a 45-degree angle below the lowest floret. Remove lower leaves that would sit below the waterline. Change water every 2-3 days and re-cut stems. For garden enjoyment, deadhead spent florets to extend the blooming display. After flowering ends, allow foliage to remain for 4-6 weeks so the corm can recharge; then dig up, dry, and store corms in a cool, dry place for replanting next season.

Fun Facts

  • 🌱 Gladiolus 'Eurovision' is named after the famous European song competition and was recognized as a premium cut flower cultivar in the early 2000s.
  • 🌱 Gladiolus flowers open sequentially from bottom to top due to apical dominance, a hormonal pattern that maximizes pollination success in nature by presenting fresh flowers to visiting insects over an extended period.
  • 🌱 The corms can be lifted and stored indoors over winter in cold climates and replanted the following spring, allowing gardeners to enjoy this tender perennial year after year.

Gardening Terms

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

Cultivar Deadhead Full Sun pH
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