How to Grow Chrysler Imperial Rose

Chrysler Imperial Rose

Rosa × 'Chrysler Imperial'

shrub

Chrysler Imperial is a classic hybrid tea rose renowned for its deep crimson-red blooms and rich fragrance. Bred in 1952, it remains one of the most fragrant red roses in cultivation, producing large, velvety flowers on vigorous bushes. This award-winning variety is prized by rose enthusiasts for its old-rose charm combined with modern hybrid vigor.

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Example Chrysler Imperial Rose timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Chrysler Imperial Rose

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Chrysler Imperial Rose

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Chrysler Imperial Rose dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, minimum 6-8 hours daily (8+ hours preferred for optimal blooming)
💧
Water: Deep watering 1-2 times weekly, approximately 1-1.5 inches per week. Water at soil level to keep foliage dry and prevent disease. Increase frequency during hot, dry periods.
📏
Spacing: 24 inches
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Days to maturity: First blooms in 8-12 weeks; full mature plant in 1-2 years
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Planting depth: Bud union should be at or slightly below soil surface in zones 5-6; 1-2 inches below in colder zones

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 Rose-specific fertilizer

Growing Zones

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Zones 5-9, with best performance in zones 6-8

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

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Growth Stages

1

Establishment

4-6 weeks

Newly planted rose with emerging shoots and developing root system. Leaves are small and often reddish-tinged.

Water deeply 2-3 times weekly. Do not fertilize heavily. Mulch around base. Remove any flower buds to encourage root development.

2

Vegetative Growth

Spring to early summer (8-12 weeks)

Bush develops robust canes and full foliage. Plant reaches its characteristic size and structure.

Apply balanced fertilizer every 4-6 weeks. Prune to shape and remove crossing canes. Monitor for pests and diseases. Maintain consistent watering.

3

Flowering

6-8 weeks per flush, repeating throughout growing season

Large, deep crimson double blooms appear singly or in small clusters. Flowers are highly fragrant with a velvety texture.

Deadhead spent blooms regularly to encourage continuous flowering. Provide balanced fertilizer monthly. Ensure adequate water and air circulation.

4

Peak Bloom

2-4 weeks per bloom cycle

Plant is at maximum flowering capacity with multiple blooms at various stages of opening.

Cut flowers in early morning when stems are fully hydrated. Remove diseased or weak canes. Continue deadheading. Maintain pest management.

5

Fall Dormancy

Late August through winter

Growth slows as temperatures cool. Foliage may take on reddish hues. Blooming decreases.

Reduce fertilizing in late summer. Do final pruning in early fall. Allow plant to harden off. Prepare winter protection in zones 5-6.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Walnut trees (black walnut) Brassicas in close proximity Plants competing for moisture in shallow-rooted perennials

Common Pests

  • Hand-pick in early morning. Use pheromone traps away from plants. Apply neem oil or insecticidal soap. Avoid feeding roses with nitrogen-heavy fertilizers in summer.

  • Spray foliage with strong water stream. Apply miticide or horticultural oil. Increase humidity. Remove heavily infested canes.

  • Immediately remove and destroy infected plants. Control eriophyid mites and rose rosette mite. No cure; prevention is essential.

  • Remove infected leaves immediately. Improve air circulation. Water at soil level only. Apply fungicide (sulfur or copper-based). Choose resistant varieties.

  • Ensure adequate air circulation. Apply sulfur dust or fungicide. Avoid overhead watering. Remove heavily affected canes.

  • Spray with water stream. Apply neem oil or insecticidal soap. Encourage natural predators like ladybugs. Use horticultural oil in dormant season.

Uses

🍳

Rose Water & Culinary Uses

Culinary

Petals can be used to make rose water for baking, beverages, and desserts. Food-grade petals are edible and add elegant flavor to salads, teas, and desserts. [source]

🎨

Cut Flower Arrangements

Craft

Chrysler Imperial is highly prized by florists for its exceptional fragrance and deep color. Its long stems and large blooms make it ideal for wedding bouquets, exhibitions, and formal arrangements. [source]

💊

Aromatherapy & Traditional Medicine

Medicinal

Rose fragrance is used in aromatherapy for stress relief and emotional balance. Historically, roses have been used in herbal teas and traditional remedies for digestion and skin health. [source]

🏠

Fragrance & Decorative Purpose

Household

Fresh Chrysler Imperial roses provide outstanding natural fragrance to homes and gardens. Dried petals can be used in potpourri, sachets, and craft projects. [source]

🦋

Pollinator Support

Wildlife

Double roses like Chrysler Imperial attract pollinators and provide nectar for bees, butterflies, and other beneficial insects, supporting 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 flowers in early morning when stems are fully hydrated. Remove flowers when outer petals begin to unfurl for longest vase life (7-14 days). Cut at 45-degree angle just above an outward-facing 5-leaflet leaf. Immediately place in cool water. Remove lower foliage below water line. Change water every 2-3 days. This variety is excellent for cutting and arranging.

Fun Facts

  • 🌱 Chrysler Imperial won the prestigious All-America Rose Selections (AARS) award in 1953, just one year after its introduction. It remains one of the most fragrant red roses available nearly 75 years later.
  • 🌱 The rose was named after the Chrysler Imperial automobile to celebrate both American innovation and luxury in the post-WWII era, representing the golden age of American automotive and horticultural design.
  • 🌱 This variety is known for its exceptionally high fragrance oils, with over 30 different aromatic compounds identified in its scent, making it one of the most complex and rewarding roses to grow for fragrance enthusiasts.

Gardening Terms

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