Double white lilac (Syringa vulgaris 'Madame Lemoine', Cultivar horticole de Syringa vulgaris)

Identity

Syringa vulgaris 'Madame Lemoine' is a named double-white cultivar of Common lilac. Its recognizable horticultural identity rests on the combination of white color, double flowers and the familiar scent of spring lilac. ^{8 3}

Botanically, it belongs to Syringa vulgaris, in the Oleaceae family. POWO and IPNI document the parent species, while the cultivar retains its own identity in garden planting and cut-flower use. ^{1 2}

White lilac carries associations with innocence, youth, purity, spring memories and ceremonial bouquets. These symbolic readings depend on flower color as well as on the plant itself. ⁸

The name 'Madame Lemoine' belongs to the great French lilac selections of the late nineteenth century. Its history is associated with 1890, pure white double flowers and a tribute to Marie-Louise Lemoine. ^{8 7}

Recognition

At first glance, this looks like a Common lilac: a deciduous shrub with opposite, oval to heart-shaped leaves and branches that become more rounded with age. Its panicles appear in spring. ^{4 6}

Double white flowers are the cultivar's distinguishing feature. They give the panicles a fuller appearance than single white lilacs, creating a strong bouquet effect. ^{8 3}

Fragrance is another essential part of its appeal. The brief flowering period, often fifteen to twenty days, can leave a lasting scent memory associated with spring. ⁸

Color alone cannot establish cultivar identity. Many white lilacs exist; a reliable label, documented purchase or collection record is needed to identify 'Madame Lemoine', rather than a white panicle seen in passing. ³

Its ornamental signature is dense whiteness. A panicle should have a full, luminous appearance, quite different from a single purple lilac. This effect helps explain its use in spring bouquets and ceremonial arrangements. ⁸

Useful taxonomy

Use the full name Syringa vulgaris 'Madame Lemoine'. Single quotation marks indicate a cultivar name, rather than a species or subspecies. ³

The parent species, Syringa vulgaris L., is Common lilac, native to the Balkans according to POWO. This cultivar shares its general needs: a temperate climate, a distinct winter, sunshine, drained soil and pruning after flowering. ^{1 4}

Distinguishing species from cultivar makes the name more useful. Syringa vulgaris covers the botanical species, while 'Madame Lemoine' identifies a particular garden selection with double white flowers. ⁸

Where no cultivar-specific evidence separates them, general care and toxicity information is drawn from Common lilac. The horticultural name remains essential for flower color, double form and history. ^{5 3}

The parent species therefore does not replace the cultivar name. For gardeners, the latter identifies the expected color and flower form; botanically, the plant remains within Syringa vulgaris. ^{1 8}

Cultivation

Provide sun or light partial shade, deep, well-drained soil that stays reasonably moist in spring, and enough space for air to move through the shrub. Generous flowering depends on mature wood and a sufficiently distinct winter. ⁴

Prune immediately after flowering when necessary. Cutting in late summer or winter removes some buds already formed for the following spring. ⁴

Like many lilacs, it dislikes poorly aerated soil and repeated severe pruning. A loose hedge, sunny corner or spacious shrub border suits it better than a narrow container exposed to heat. ³

True-to-type propagation requires a vegetative method. Seedlings do not reproduce an identical 'Madame Lemoine'; they are new lilac individuals, potentially interesting but not true to the cultivar. ³

The pruning window is brief: after the flowers fade, before next year's buds develop too far. Removing spent panicles, thinning a few old branches and retaining young growth is often sufficient. ⁴

Uses

A fragrant white spring bouquet is its main cut-flower use. White lilac evokes innocence, youth, ceremonies and personal memories. ⁸

Garden settings include loose hedges, a specimen beside a path or a position behind spring perennials. Its scent makes a spot near a window, entrance or walkway especially rewarding. ⁴

In the language of flowers, 'Madame Lemoine' emphasizes the symbolism of white lilac. This differs from mauve lilac's association with first love or pink lilac's association with remembrance. ⁸

It also provides a historical reference point. Lemoine's selections shaped the image of French garden lilacs through large panicles, strong fragrance, selected colors and double flowers. ⁷

The symbolic reading can be more specific than simply “white lilac.” Double white blooms suggest an elaborate, almost ceremonial purity, while mauve lilac more readily evokes first love and nostalgia. ⁸

Precautions

The cultivar is treated as non-toxic by reference to Common lilac. The ASPCA classifies Common lilac as non-toxic to dogs, cats and horses. ⁵

Common-name confusion is the main concern. Names such as the French “lilas des Indes” can refer to other plants, including Melia azedarach, which is toxic and unrelated to Syringa. ⁸

Avoid eating treated flowers as well. Even though Common lilac is not considered highly toxic, florist bouquets, sprays and accumulated dust make eating the blooms inadvisable. ⁴

Checking the name matters as much as the toxicity profile. A plant called “lilac” with yellow berries, crinkled summer flowers or a tropical tree habit needs identification beyond the name Syringa. ⁸

Retain the distinct cultivar identity of Syringa vulgaris 'Madame Lemoine'. It shares the framework of Common lilac, while its double white flowers, Lemoine history and spring symbolism give it particular horticultural and cultural value. ^{8 3}

Main sources

• Plants of the World Online / Kew, Syringa vulgaris
• International Plant Names Index, Syringa vulgaris
• Royal Horticultural Society, Syringa vulgaris Madame Lemoine search results
• NC State Extension, Syringa vulgaris
• ASPCA, Common Lilac
• Wikipedia EN, Syringa vulgaris
• Wikipedia FR, Victor Lemoine
• Floralens, meaning of lilac