How to Grow Coeur d'Alsace

Coeur d'Alsace

Rosa 'Coeur d'Alsace'

flower

Coeur d'Alsace is a hybrid tea rose known for its stunning deep red to crimson blooms with a velvety texture and classic high-centered form. This fragrant rose is prized by florists and home gardeners for its long stems, excellent cut-flower quality, and romantic appearance. It combines old-fashioned charm with modern rose breeding vigor.

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Example Coeur d'Alsace timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Coeur d'Alsace

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Coeur d'Alsace blooms

    Around Apr 25

    ≈ 8 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Coeur d'Alsace dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (more in hotter climates; afternoon shade beneficial in zones 8-9)
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Water: Deep watering 1-2 inches per week; water at soil level to keep foliage dry and prevent disease; increase frequency during blooming season and hot weather
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Spacing: 24 inches
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Days to maturity: First blooms in 8-12 weeks from planting; peak flowering production by second season
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Planting depth: Bud union 1-2 inches below soil surface in cold climates; at or slightly above soil surface in warm climates

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.5
Amendments:
Compost Aged manure Peat moss or coconut coir Perlite for drainage Slow-release rose fertilizer

Growing Zones

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Thrives in zones 6-9; can survive zone 5 with winter protection

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

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Growth Stages

1

Establishment

4-6 weeks

Newly planted bare-root or container rose develops roots and early foliage; initial shoots emerge and elongate

Plant in spring; keep soil consistently moist but not waterlogged; avoid fertilizing first 4-6 weeks; mulch around base; remove first flower buds to encourage root development

2

Vegetative Growth

6-10 weeks

Plant establishes strong canes with healthy green foliage; stem diameter increases; plant reaches mature height and width

Apply balanced fertilizer every 4-6 weeks; deadhead spent flowers to encourage branching; monitor for pests and diseases; prune out any diseased canes

3

Budding

2-3 weeks

Flower buds form at stem tips, initially tight green buds that gradually swell and show color developing

Maintain consistent watering; apply high-phosphorus fertilizer to promote blooming; protect developing buds from late frosts if needed; remove smaller side buds for exhibition blooms

4

Flowering

10-14 days per bloom cycle; repeat blooms throughout growing season

Deep red to crimson blooms open with classic high-centered form; petals unfurl gradually over several days; strong fragrance develops

Continue regular watering; deadhead spent flowers promptly to encourage repeat blooming; support tall stems with stakes if needed; monitor for spider mites and aphids during bloom

5

Dormancy/Winter Rest

November-March (varies by zone)

Plant slows growth; foliage may turn reddish; stems harden; plant prepares for cold period

Stop fertilizing 6-8 weeks before first frost; reduce watering; in zones 5-6, apply 4-6 inches of mulch around base after ground freezes; prune back by one-third in early spring before growth resumes

Companion Planting

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Plant with:

Avoid planting near:

Walnut trees (black walnut produces juglone) Clematis (competes for water and nutrients) Other hybrid teas if spacing is inadequate (disease spread) Dense groundcovers that shade lower canes

Common Pests

  • Hand-pick in early morning; use pheromone traps away from plants; apply spinosad or neem oil; encourage beneficial insects

  • Strong water spray to dislodge; insecticidal soap; neem oil; encourage ladybugs and lacewings

  • Increase humidity; strong water spray; miticide or neem oil; avoid over-fertilizing nitrogen

  • Ensure good air circulation; avoid overhead watering; fungicide with sulfur or potassium bicarbonate; prune infected canes

  • Remove infected leaves; avoid wetting foliage; fungicide with chlorothalonil or myclobutanil; ensure 6-8 hours sun; mulch to prevent soil splash

  • Remove and destroy infected plants; no cure; prevent with miticide; maintain healthy plant vigor

Uses

🍳

Rose Water & Petals

Culinary

Coeur d'Alsace petals can be used to make fragrant rose water for culinary applications, or fresh petals can garnish desserts and beverages. The intense fragrance makes it particularly suitable for infusions and syrups. [source]

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Cut Flowers & Arrangements

Craft

Prized by florists and home arrangers for its exceptional vase life, high-centered form, and romantic deep red color. Perfect for wedding bouquets, formal arrangements, and Valentine's Day displays. [source]

🏠

Fragrance & Perfumery

Household

The strong, sweet fragrance of Coeur d'Alsace blooms makes them ideal for naturally perfuming indoor spaces. Petals can be dried to make potpourri or used in homemade fragrance blends. [source]

💊

Traditional Herbal Remedy

Medicinal

Rose petals from unsprayed roses have been used traditionally to make teas and infusions believed to support digestion and skin health. Rose hips may also have vitamin C content if the plant produces fruit. [source]

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Pollinator Support

Wildlife

Fragrant roses attract bees, butterflies, and other pollinators to the garden, supporting local ecosystems. Provides nectar source and contributes to garden biodiversity. [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 stems in early morning when hydration is highest; choose blooms just as the outer petals begin to unfurl for longest vase life; cut at 45-degree angle above an outward-facing 5-leaflet leaf; remove lower foliage below the waterline; place immediately in cool water with floral preservative; blooms last 7-10 days indoors with proper care

Fun Facts

  • 🌱 Coeur d'Alsace means 'Heart of Alsace' in French, named after the Alsace region in France, celebrating its European heritage and romantic appeal
  • 🌱 Hybrid tea roses like Coeur d'Alsace were developed in the late 1800s by crossing hybrid perpetual roses with tea roses, creating plants that combine disease resistance with repeat blooming and elegant flower form
  • 🌱 The velvety texture of the deep red petals is prized in the floral industry because it photographs exceptionally well and maintains its rich color longer than many other red roses in arrangements

Gardening Terms

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

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