How to Grow Ghent Azalea 'Chevalier de Reali'

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Ghent Azalea 'Chevalier de Reali'

Rhododendron × gandavense 'Chevalier de Reali'

shrub

A deciduous Ghent azalea cultivar prized for its striking double flowers with orange-red outer petals and yellow inner petals, creating a bicolor effect. This classic hybrid exhibits moderate growth and produces fragrant blooms in late spring. It's an ornamental shrub valued for its ornamental appeal and historical significance in horticulture.

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Example Ghent Azalea 'Chevalier de Reali' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ghent Azalea 'Chevalier de Reali'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Ghent Azalea 'Chevalier de Reali'

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Ghent Azalea 'Chevalier de Reali' dates for your own zip code.

Growing Conditions

☀️
Sun: Partial shade to dappled sunlight; 4-6 hours of indirect sun daily. Avoid intense afternoon sun in zones 7-8.
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply during dry spells, especially during establishment and bloom periods. Avoid letting soil dry out completely.
📏
Spacing: 36 inches
📅
Days to maturity: 2-3 years to reach flowering maturity; 5-7 years for full ornamental size
🌱
Planting depth: Plant with top of root ball at or slightly above soil level; do not plant deeper

Soil

Type: Well-draining, acidic loamy soil with high organic matter content
pH: 4.5-6.0
Amendments:
Peat moss or aged pine bark Compost Sulfur (if pH is too high)

Growing Zones

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Zones 5-8, with best performance in zones 5-7

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

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Growth Stages

1

Establishment

6-12 months

Young plant focusing on root development with limited new growth

Keep soil consistently moist, provide afternoon shade, mulch with 2-3 inches of pine bark, avoid fertilizing in first year

2

Vegetative Growth

Spring-early summer, 8-12 weeks

Development of stems and foliage; plant builds structural framework

Prune after flowering to shape plant, deadhead spent flowers, provide consistent moisture, apply balanced fertilizer in spring

3

Flower Bud Formation

Mid-summer through fall, 12-16 weeks

Flower buds develop in leaf axils; visible buds appear by mid-summer

Maintain steady moisture and moderate fertility; avoid over-fertilizing with nitrogen which promotes foliage at expense of blooms

4

Blooming

Late April through May, 3-4 weeks

Spectacular double flowers in orange-red and yellow open over 2-4 weeks; fragrant blooms attract pollinators

Do not fertilize during bloom; maintain consistent moisture; provide shade protection in warm zones; deadhead faded flowers to redirect energy

5

Post-Bloom & Dormancy

June through November, 6 months

Plant enters summer growth phase, then gradually slows in fall; deciduous foliage turns bronze-red before dropping

Prune shortly after bloom ends; prepare for dormancy by reducing watering slightly in late fall; mulch around base

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut (Juglans nigra) Shallow-rooted trees that compete for moisture Alkaline-soil plants like lilac

Common Pests

  • Spray undersides of leaves with horticultural oil or insecticidal soap in early summer; repeat every 7-10 days as needed

  • Use yellow sticky traps; spray with neem oil or insecticidal soap in early morning or evening

  • Increase humidity by misting foliage; spray with water to dislodge; use miticide if severe

  • Ensure excellent drainage and avoid overwatering; remove affected plant material; improve air circulation

  • Improve air circulation, avoid overhead watering, apply sulfur dust or fungicide if severe

Uses

🍳

Edible flowers for garnish

Culinary

Azalea flowers are technically edible and can be used to garnish desserts and salads. Some cultures traditionally use them in beverages for decoration and subtle floral notes. [source]

🏠

Cut flowers and floral arrangements

Household

The striking bicolor double flowers are highly prized for fresh-cut arrangements and bring long-lasting, fragrant blooms indoors. The blooms can last 1-2 weeks in a vase. [source]

🌿

Landscape and garden design

Ornamental

This cultivar is valued as a specimen plant or in mixed shade borders for its spectacular spring bloom and historical horticultural significance. It works well in woodland gardens and formal landscapes. [source]

🦋

Pollinator attraction

Wildlife

The fragrant, double flowers attract bees, butterflies, and hummingbirds during the spring blooming period, supporting early-season pollinator populations. [source]

💊

Traditional herbal uses

Medicinal

In some traditional medicine systems, azalea species have been used in teas and remedies, though use should be cautious as some species contain grayanotoxins. Modern use is primarily 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 flowers for arrangements in early morning when stems are fully hydrated. Cut stems at a 45-degree angle and remove lower leaves. Place immediately in cool water. For best fragrance, harvest blooms as they fully open.

Fun Facts

  • 🌱 Ghent azaleas were first developed in Ghent, Belgium in the early 1800s through hybridization of North American and Asian azalea species, creating entirely new color combinations and fragrance profiles.
  • 🌱 'Chevalier de Reali' is a historic cultivar dating back to the 19th century, named to honor a French nobleman, and remains popular among azalea collectors and gardeners today.
  • 🌱 The bicolor effect in this cultivar—orange-red outer petals with yellow inner petals—is produced by different pigment distributions, creating a striking contrast when the double flower fully opens.

Gardening Terms

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