Introduction & History

Louise Odier is widely regarded as one of the most perfect roses ever bred, a Bourbon variety of such exquisite form that it has captivated rosarians for more than a hundred and seventy years. Introduced by Margottin in 1851, it produces bloom after bloom of warm, camellia-like pink flowers so perfectly cupped and symmetrical that they seem almost artificial in their beauty. Each petal is precisely placed, curving inward to form a deep bowl of the richest warm pink imaginable, infused with a powerful, sweet fragrance that carries across the garden. The plant is vigorous and upright, producing strong canes that flower with notable generosity from midsummer through autumn. Louise Odier embodies everything the Bourbon class can offer: the opulence of the old garden roses married to the repeat-flowering capacity inherited from the China roses. It is one of those rare varieties that earns universal praise from critics: Graham Stuart Thomas called its flowers among the most perfectly formed of any old rose. For gardeners who want a single old rose to fall in love with, Louise Odier is an irresistible choice.

Breeding History

Louise Odier was raised by Auguste Margottin at Bourg-la-Reine near Paris and introduced in 1851. It is classified as a Bourbon rose, a class that originated on the Ile de Bourbon (now Reunion) from a natural cross between the Old Blush China and the Autumn Damask. Its specific parentage is unrecorded, as was typical of the era, but it clearly carries strong Damask influence in its fragrance and Bourbon vigor in its growth. Margottin was one of France's most distinguished rose breeders, also responsible for important Hybrid Perpetuals. Louise Odier quickly became one of the most celebrated Bourbons and has never fallen from favour, remaining in continuous cultivation and commerce since its introduction.

Flower Form & Fragrance

The flowers are medium-large, 8-10 cm in diameter, and very double with 40-55 petals arranged in an almost mathematically perfect cupped rosette form, often described as camellia-like. The colour is a warm, rich medium pink with slightly lilac-rose overtones, uniform across the petals and remarkably stable in different weather conditions. The fragrance is strong and complex: predominantly sweet with damask and citrus notes, sometimes described as having hints of lemon and honey. Each flower holds its cupped form beautifully for several days before opening fully to reveal a quartered centre.

Garden Design & Uses

Louise Odier is superb in mixed borders where its upright habit and continuous bloom provide a reliable backbone of colour and fragrance. It works beautifully in formal rose beds, cottage gardens, and as a specimen in a dedicated old rose garden. Its tall, upright growth can be trained as a short climber on a pillar, obelisk, or tripod, reaching 180-200 cm with support. Plant it near seating areas, along paths, or beneath bedroom windows where its exceptional perfume can be savoured. Combines elegantly with lavender, nepeta, Alchemilla mollis, and silver-foliaged plants.

Growth Habit & Hardiness

Louise Odier forms a vigorous, upright shrub reaching 150-200 cm tall with a spread of 100-120 cm. The canes are strong, reasonably well armed with thorns, and carry abundant medium-green foliage with oval, slightly glossy leaflets. Growth is strongly vertical, and in warm climates the longest canes can be trained on supports as a short climber. The plant branches well from the base, producing new flowering shoots throughout the season. It does not sucker excessively on own-root plants. The overall silhouette is vase-shaped and upright.

Climate & Hardiness

Hardy in USDA zones 5-9, withstanding winter temperatures to approximately -26°C with proper winter protection. Performs best in zones 6-8 where summers are warm enough to produce generous repeat bloom. In very hot climates (zone 9), afternoon shade helps prevent rapid flower fading. Tolerates humidity reasonably well but benefits from good air circulation. In zone 5, reliable mounding protection in winter is essential for cane survival.

Seasonal Care Calendar

Planting & Container Growing

Plant in rich, deep, well-drained loam amended with plenty of organic matter. The ideal pH is 6.0-6.8. Space plants 100-120 cm apart for border use, closer if training on pillars. Set the bud union 5-8 cm below the soil surface in cold climates. Mulch generously with composted manure or garden compost to maintain fertility and moisture. Water deeply at planting and weekly during the first year.

Container Growing

Louise Odier can be grown in a container of at least 50-60 litres, though its vigour makes it better suited to open ground. Use loam-based compost with added perlite for drainage. Feed fortnightly from April through September with a liquid rose fertiliser. Water generously, ensuring the container never dries out fully. The tall growth may need a lightweight obelisk or stake for support within the container. Repot every two years. Feasibility rating: 5/10.

Seasonal Care & Pruning

Spring: Prune in early spring, removing dead and weak wood, and shortening main canes by about one-quarter. Apply a generous dressing of granular rose food and refresh mulch. Summer: Deadhead promptly after each flush to encourage continuous bloom. Water deeply during dry spells, at least weekly. Apply liquid feed every two weeks during peak bloom. Monitor for blackspot and treat early. Autumn: Reduce watering and stop feeding by late September. Allow the final blooms to set hips. Clean up fallen leaves thoroughly. Winter: In zones 5-6, mound 15-20 cm of soil around the base and protect canes with burlap if exposed to harsh winds.

Common Mistakes to Avoid

1) Pruning too hard and losing the tall structure that makes this rose so impressive. 2) Planting in a shaded location where bloom production drops significantly. 3) Neglecting summer feeding, which weakens the repeat flowering performance. 4) Ignoring blackspot prevention in humid climates until defoliation occurs. 5) Failing to provide support in windy sites; the tall canes laden with heavy blooms can bow outward ungracefully.

Propagation

Propagate by softwood or semi-ripe cuttings taken in early to midsummer. Take 15 cm cuttings with a heel, remove lower leaves, dip in rooting hormone, and insert into a gritty propagating mix under cover. Rooting takes 4-6 weeks with 50-60% success rate. Hardwood cuttings taken in late autumn and inserted into a sheltered outdoor bed also work. Commercial plants are typically budded onto Rosa canina or R. laxa rootstock. Difficulty: moderate (5/10).

Diseases & Pests

Moderately susceptible to blackspot, particularly in humid or rainy climates; regular preventive fungicide sprays from spring onward are advisable. Powdery mildew can appear in late summer, especially in sheltered positions with poor air movement. Aphids cluster on new growth and flower buds in spring. Japanese beetles can damage flowers in affected regions. Sawfly larvae may skeletonise leaves. Overall disease resistance is moderate for the Bourbon class, requiring a consistent spray programme for best foliage quality.

Cut Flowers & Exhibition

Louise Odier is one of the supreme old roses for cutting. Its perfectly cupped blooms and powerful fragrance make every bouquet a memorable event. Cut when the outer petals have opened but the centre is still cupped, preferably in the early morning. Condition in cool water with preservative. Vase life is 5-7 days. The blooms open slowly in a vase, revealing their full quartered beauty indoors.

Collector & Exhibition Notes

Louise Odier is a cornerstone of any old rose collection and widely available from specialist nurseries. It is frequently exhibited in Bourbon and old garden rose classes at heritage rose shows, where its near-perfect bloom form and intense fragrance earn high scores. Judges value the symmetry of the cupped rosette, uniform colour, and clean stems. Graham Stuart Thomas's endorsement and its inclusion in virtually every authoritative old rose text ensure its place as an essential collector variety.

Comparison with Similar Roses

Compared to 'Reine Victoria', another beloved Bourbon, Louise Odier has a slightly broader, more cupped bloom form and sturdier growth, while Reine Victoria is more slender and arching. Against 'Madame Isaac Pereire', Louise Odier is more refined in bloom shape and less prone to balling in wet weather, though Pereire surpasses it in raw fragrance intensity. Versus the Hybrid Perpetual 'Baronne Prevost', Louise Odier has a more relaxed, old-world character with less rigidly formal bloom structure.

Heritage & Conservation

Louise Odier has been in continuous cultivation since 1851 and is well preserved in major rose collections including Sangerhausen, Mottisfont Abbey, and the Roseraie du Val-de-Marne. It is commercially available from numerous heritage rose nurseries worldwide, and its popularity ensures it faces no conservation risk. It is among the most important Bourbon varieties for the preservation of nineteenth-century rose heritage.

Cultural Significance

Louise Odier holds an honoured place in the golden age of French rose breeding, embodying the aesthetic ideals of the mid-nineteenth century when a rose's worth was measured by the perfection of its form and the power of its perfume. It has been painted, photographed, and written about more than almost any other Bourbon rose. Graham Stuart Thomas's influential writings helped revive interest in old roses in the twentieth century, and Louise Odier was consistently among his highest recommendations, introducing it to generations of modern gardeners.

Frequently Asked Questions