How to Grow Chaubaud's Scarlet

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Chaubaud's Scarlet

Dianthus caryophyllus 'Chaubaud's Scarlet'

flower

Chaubaud's Scarlet is a vibrant red carnation cultivar prized for its brilliant scarlet blooms and long vase life. Developed through the Chaubaud breeding line, it produces sturdy stems with fragrant, ruffled double flowers ideal for cut arrangements. This variety represents the pinnacle of carnation breeding for color intensity and florist-quality stems.

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Example Chaubaud's Scarlet timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Chaubaud's Scarlet

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Chaubaud's Scarlet blooms

    Around Jun 26

    ≈ 70 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Chaubaud's Scarlet dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum; 8+ hours optimal for vibrant color
💧
Water: Moderate, consistent moisture; allow soil surface to dry between waterings. Water at base to avoid wetting foliage. Reduce watering in winter dormancy.
📏
Spacing: 9-12 inches apart inches
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Days to maturity: 70-90 days from transplant to first bloom
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Planting depth: 0.125 inches (surface sow seeds); transplants at soil level

Soil

Type: Well-draining loamy or sandy soil
pH: 6.0-6.8
Amendments:
Perlite or coarse sand for drainage Compost for organic matter Balanced slow-release fertilizer

Growing Zones

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Zones 5-9; thrives in cool to moderate climates

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

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Growth Stages

1

Seedling

3-4 weeks

Tiny seedlings with first true leaves; delicate and slow-growing initially

Provide bright indirect light, maintain consistent moisture without waterlogging, maintain 65-70°F temperature, thin seedlings to prevent damping off

2

Vegetative Growth

4-6 weeks

Compact plant develops narrow, blue-green foliage with multiple shoots; stems thicken and branches form

Ensure full sun exposure, pinch growing tips at 4-6 inches to encourage bushiness, maintain consistent watering, fertilize biweekly with balanced fertilizer

3

Bud Formation

3-4 weeks

Terminal flower buds appear at shoot tips, initially tight and enclosed in sepals; buds gradually enlarge

Continue full sun exposure, switch to phosphorus-rich fertilizer to support blooming, maintain moderate moisture, remove any diseased foliage

4

Flowering

3-4 weeks per flush; reblooms if deadheaded

Brilliant scarlet double flowers open with ruffled petals; fragrant blooms reach 1.5-2 inches diameter; multiple flowers per plant if deadheaded

Cut flowers when outer petals begin to unfurl for longest vase life, deadhead spent blooms to extend flowering, reduce nitrogen fertilizer, provide excellent air circulation

5

Decline/Winter Dormancy

3-4 months

Flowering slows in late summer/fall; growth nearly halts in winter; foliage remains evergreen but dormant

Reduce watering significantly, cease or reduce fertilizing, protect from frost with mulch or cold frame in zone 5, thin overcrowded growth to improve spring vigor

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (cabbage, broccoli) — may attract similar pests Plants requiring constantly wet soil

Common Pests

  • Remove infested buds, improve air circulation, use insecticidal soap if severe

  • Increase humidity, spray leaves with water mist, use miticide if infestation develops

  • Spray with strong water jet, use insecticidal soap, introduce ladybugs

  • Plant resistant varieties, ensure excellent drainage, remove and destroy infected plants, do not replant carnations in same soil

  • Improve air circulation, avoid overhead watering, remove infected leaves promptly, apply fungicide if severe

Uses

🍳

Edible Garnish

Culinary

Petals add vibrant scarlet color and spicy-sweet flavor to salads, cocktails, and desserts. Ensure flowers are grown without pesticides if intended for consumption. [source]

🏠

Cut Flower Arranging

Household

Premium florist-quality stem and exceptional vase life (14-21 days) make Chaubaud's Scarlet ideal for bouquets, centerpieces, and wedding arrangements. The full double petals and fragrance add elegance to any arrangement. [source]

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Fragrance

Household

Carnations, including Chaubaud's varieties, release a sweet, spicy clove-like fragrance that perfumes a room. Fresh cut flowers provide natural fragrance without artificial additives. [source]

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Dried Flower Arrangements

Craft

The sturdy double petals retain color and form exceptionally well when dried. Hang bundles upside down in a cool, dark place for several weeks to create lasting decorative elements. [source]

🦋

Pollinator Support

Wildlife

Fragrant flowers attract bees and other pollinators to the garden. While carnations are not a primary nectar source, they contribute to garden biodiversity. [source]

Harvest Tips

Cut stems in early morning when flowers are fully open but petals not drooping. Use clean, sharp scissors and make angled cuts. Remove lower foliage from stems. Place immediately in clean water with floral preservative. Stems last 14-21 days in a vase, longer than most cut flowers. For garden display, deadhead spent blooms to encourage continuous flowering through the season.

Fun Facts

  • 🌱 The Chaubaud strain was developed in France in the early 1900s through hybridization and careful selection, creating the first perpetual-blooming carnation varieties suitable for both garden and commercial florist use.
  • 🌱 Carnations are the third most popular cut flower globally after roses and chrysanthemums, with Chaubaud varieties commanding premium prices in the floral industry due to their superior color saturation and stem quality.
  • 🌱 The scarlet carnation became a symbol of admiration and gratitude in the Victorian language of flowers, making Chaubaud's Scarlet a meaningful gift choice with historical significance.

Gardening Terms

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

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