How to Grow Souvenir de Maxime Cornu

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Souvenir de Maxime Cornu

Rosa 'Souvenir de Maxime Cornu'

shrub

A climbing or pillar rose with full, quartered blooms in apricot-orange to salmon tones, often with yellow undertones. This vintage hybrid tea rose produces fragrant, large flowers on vigorous canes and was hybridized in France in the early 20th century. It's prized for its old-garden rose charm combined with modern vigor and repeat blooming.

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Example Souvenir de Maxime Cornu timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Souvenir de Maxime Cornu

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Souvenir de Maxime Cornu

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Souvenir de Maxime Cornu dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum (8+ hours preferred for best blooming)
💧
Water: Deep watering 1-2 times weekly, keeping soil consistently moist but not waterlogged. Water at the base to avoid wetting foliage, which promotes disease. Increase frequency during hot, dry spells.
📏
Spacing: 36 inches
📅
Days to maturity: First blooms in 60-90 days from planting; reaches full maturity in 2-3 years
🌱
Planting depth: Plant grafted union 1-2 inches below soil surface in cold zones (6-7), at or slightly above soil surface in warmer zones (8-9)

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.5
Amendments:
Compost Aged manure Peat moss or coco coir Perlite or sand for drainage

Growing Zones

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Ideal in zones 6-9, with protection recommended in zone 6

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

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Growth Stages

1

Establishment

4-8 weeks

Newly planted rose sends out basal breaks and initial root system development. Canes are tender and foliage may be sparse.

Water consistently, provide protection from harsh winds, avoid heavy pruning. Apply mulch around base. Monitor for transplant shock.

2

Vegetative Growth

6-12 weeks

Vigorous cane development with climbing/pillar growth habit. Foliage becomes fuller and more robust, reaching 6-8+ feet tall depending on training.

Train canes horizontally or fan them for more blooms. Remove weak or crossing canes. Begin light feeding with rose fertilizer.

3

First Flowering

4-6 weeks

Large, quartered double blooms appear in apricot-orange with salmon and yellow tones. Flowers are highly fragrant and up to 4-5 inches across.

Deadhead spent flowers to encourage repeat blooming. Provide support structure if needed. Continue regular watering and feeding.

4

Summer to Fall Blooming

8-16 weeks

Successive flushes of flowers throughout the growing season, with cooler autumn temps intensifying color depth. Plant reaches mature size and character.

Maintain consistent watering and fertilizing schedule. Watch for pests and diseases. Prune out any dead wood promptly.

5

Dormancy & Winter Preparation

8-12 weeks

Growth slows in fall as temperatures drop. Foliage may decline; canes harden off. Plant prepares for winter rest.

Reduce fertilizing in late summer. Stop deadheading in fall to allow hips to form, signaling dormancy. Apply winter mulch in zone 6-7. Prune in early spring.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut trees Other roses within 2 feet (to reduce disease pressure) Dense shade-casting structures

Common Pests

  • Hand-pick early morning, use pheromone traps away from rose, apply neem oil or insecticidal soap

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

  • Remove infected leaves, improve drainage and air flow, apply copper fungicide or sulfur, mulch to prevent soil splash

  • Increase humidity, spray with strong water stream, apply neem oil or miticide if severe

  • Spray with water, apply insecticidal soap or neem oil, encourage natural predators like ladybugs

  • Remove and destroy infected plants, control spider mites, no cure—prevention is key

Uses

🍳

Culinary rose petals & syrups

Culinary

Rose petals can be crystallized, used in desserts, or brewed into fragrant syrups and teas. Ensure roses are grown without pesticides if intended for consumption. [source]

🎨

Cut flowers & floral arrangements

Craft

The large, exquisite quartered blooms are ideal for wedding bouquets, garden arrangements, and floral displays. Their vintage aesthetic adds elegance to any arrangement. [source]

💊

Traditional herbal remedies

Medicinal

Rose petals have been used in traditional medicine for their astringent and anti-inflammatory properties. Rose hip tea supports immune function and is rich in vitamin C. [source]

🏠

Rose water & fragrance

Household

Fragrant petals can be distilled into rose water for use in perfumery, skincare, and household applications. The intense fragrance is characteristic of heritage rose varieties. [source]

🦋

Pollinator & beneficial insect support

Wildlife

Full, open blooms provide nectar and pollen for bees, hoverflies, and other beneficial insects. The repeat blooming nature offers sustained food sources throughout the growing season. [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 blooms in early morning when petals are fully hydrated but before the heat of the day. Use sharp pruning shears and cut at a 45-degree angle above an outward-facing leaf node. Remove lower foliage from stems before arranging. Blooms last 7-14 days in a vase with fresh water changed every 2-3 days. For longest cane life and branching, deadhead faded flowers by cutting just above the first 5-leaflet leaf.

Fun Facts

  • 🌱 Souvenir de Maxime Cornu was hybridized by Barbier in France around 1909 and named to honor a notable horticulturist. It represents the bridge between old-garden roses and modern hybrid teas.
  • 🌱 This rose is notably vigorous and can climb or pillar up to 8-10 feet tall with proper support and training, making it an excellent choice for archways, pergolas, and tall structures.
  • 🌱 The apricot-orange coloring deepens and becomes richer in cooler autumn weather, displaying the color complexity that draws collectors to heritage rose varieties.

Gardening Terms

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