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Rosa 'Alain Blanchard' (Alain Blanchard Rose)
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© Ulf Eliasson, some rights reserved (CC-BY) · Wikimedia Commons

Rosa 'Alain Blanchard'

Alain Blanchard Rose

Hybrid of garden origin; bred by Vibert in France circa 1839 as a Gallica hybrid; the Gallica class traces parentage to {R. gallica}, native to central and southern Europe

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At a Glance

TypeShrub
HabitUpright
FoliageDeciduous
Height3-5 feet (0.9-1.5 m)
Width3-4 feet (0.9-1.2 m)
Maturity3 years

Growing Zones

USDA Hardiness Zones

4 - 9
These zones indicate the coldest temperatures this plant can typically survive.
What's my zone? →
Frost Tolerancehardy

Overview

Rosa 'Alain Blanchard' is a deciduous shrub rose reaching 3-5 feet (0.9-1.5 m) tall with a spread of 3-4 feet (0.9-1.2 m) and a compact, bushy, upright-to-arching habit. A Gallica hybrid bred by Vibert in France circa 1839, the cultivar carries semi-double flowers 2.5-3 inches (6-8 cm) wide in deep crimson to dark maroon-purple with prominent golden stamens visible at the center. The dark color is marbled and spotted with lighter crimson flecks, creating a mottled pattern that sets this cultivar apart from solid-color dark Gallicas such as 'Cardinal de Richelieu'. Flowers appear in a single flush in June with strong old-rose fragrance; bloom duration is 3-4 weeks and no repeat bloom follows. Medium green leaves 2-3 inches (5-8 cm) long carry a slightly rough texture. Growth rate is moderate. Hardy to USDA zone 4. The Gallica class traces its parentage to R. gallica, native to central and southern Europe, and is one of the older continuously cultivated rose groups in Western horticulture. Nearly thornless canes and a compact habit are typical of the class, and this cultivar carries both traits. May produce root suckers in favorable soil — a behavior typical of Gallica roses.

Native Range

Rosa 'Alain Blanchard' is a Gallica hybrid of garden origin, bred by Vibert in France circa 1839. The Gallica class derives from R. gallica, native to central and southern Europe.

Suggested Uses

Used in mixed borders, cottage gardens, and heritage rose collections in zones 4-9 at 3-4 foot (0.9-1.2 m) spacing. The 1839 introduction date and Gallica class suit heritage-rose plantings that reconstruct pre-1900 European garden styles, where modern repeat-blooming cultivars would be historically out of place. The mottled dark-crimson flower pattern pairs with solid pale-pink companion roses such as 'Adelaide Hoodless' for contrast. Single-flush bloom in June only rules out the cultivar where continuous summer color is wanted; pair with later-blooming perennials to extend garden interest past June. Root-sucker production in loose soil rules out tight formal-border positions where spread cannot be tolerated.

How to Identify

Identified by deep crimson to dark maroon-purple semi-double flowers 2.5-3 inches (6-8 cm) wide carrying a marbled and spotted pattern with lighter crimson flecks and prominent golden stamens, combined with nearly thornless canes, medium green rough-textured foliage, and a compact 3-5 foot (0.9-1.5 m) shrub habit. Compared with 'Cardinal de Richelieu' (another dark Gallica), color carries a mottled and spotted pattern rather than a solid deep purple. Compared with 'Adélaide d'Orléans', the habit is a compact shrub rather than a 12-15 foot rambler and the flowers are dark mottled crimson rather than soft pink. The Gallica class, single-flush June bloom, and mottled dark petal pattern together separate this cultivar from later-breeding repeat-blooming rose classes.

Appearance

Size & Dimensions

Height3' - 5'
Width/Spread3' - 4'

Reaches mature size in approximately 3 years

Colors

Flower Colors

Foliage Colors

Fall Foliage Colors

Bloom Information

Bloom Period

~4 weeks
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Semi-double dark crimson to maroon-purple flowers 2.5-3 inches (6-8 cm) wide with a mottled and spotted pattern and prominent golden stamens, June. Single flush — no repeat bloom follows. Bloom duration is 3-4 weeks. Strong old-rose fragrance.

Detailed Descriptions

Flower Description

Deep crimson to dark maroon-purple semi-double flowers 2.5-3 inches (6-8 cm) wide with a mottled and spotted pattern and prominent golden stamens at the center; June

Foliage Description

Medium green slightly rough-textured leaves 2-3 inches (5-8 cm) long; pinnately compound with 5-7 leaflets; deciduous

Growing Conditions

Sun Requirements

Requires 6-10 hours of direct sunlight daily
• Full Sun: 6+ hours of direct sunlight
• Partial Shade: 3-6 hours of direct sunlight
• Full Shade: Less than 3 hours of direct sunlight

Soil Requirements

pH Range6.0 - 7.0(Neutral)
357912
Soil Types
Drainagewell drained

Water & Climate

Water Needs

Medium

Frost Tolerance

hardy

Time to Maturity

2-3 years

Care & Maintenance

Care Guide

Grows in full sun in well-drained, fertile soil at pH 6.0-7.0. Hardy to USDA zone 4. Nearly thornless canes make handling easy during pruning and training. May produce root suckers from the base in loose soil, which is typical of Gallica roses and can be removed with a spade if the colony is spreading beyond the planting area. Moderate disease resistance; blackspot may appear in humid summers but the plant recovers as new foliage develops. Once-blooming, so annual pruning runs after bloom rather than before.

Pruning

Prune after flowering in July. Remove one-third of the oldest canes at the base. Tip back the remaining canes lightly to shape. Remove any root suckers that have spread beyond the planting area. Avoid late-winter or spring pruning on this once-blooming cultivar — flower buds form on old wood and are removed by dormant-season cuts.

Pruning Schedule

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summer

Maintenance Level

moderate

Container Growing

✓ Suitable for container growing

Minimum container size: 5 gallons

⚠️ Toxicity Warning

Non-toxic