Sweet Alyssum Seed Packet (Corbeille d'argent)

Sweet Alyssum Seed Packet (Corbeille d'argent) Vilmorin (Reference: 5123542) represents French horticultural excellence for creating exceptional fragrant flowering carpets. This annual carpeting variety, selected by the Vilmorin experts, turns gardens, rockeries and borders into true fragrant jewel boxes. Known for its hardiness and ease of cultivation, sweet alyssum appeals as much to novice gardeners as to landscape professionals.

Benefits and uses of sweet alyssum

Sweet alyssum excels in many landscaping uses thanks to its natural carpeting habit and exceptional fragrant flowering. This annual plant quickly forms a dense carpet 30 cm high, ideal for dressing rockeries, path borders, planters and tubs on terraces. Its delicate scent naturally attracts bees and butterflies, contributing to the biodiversity of the garden.

Landscape professionals particularly appreciate this variety for water-saving plantings, hard-to-reach banks and transition zones between lawn and shrub beds. Private gardeners adopt it to create natural borders along paths, fill the gaps in paving or beautify the foot of sunny walls. In urban gardening, sweet alyssum turns balconies and window sills into fragrant gardens thanks to its compact growth and its tolerance of difficult conditions.

Technical features and varietal innovation

This Vilmorin selection has technical characteristics optimised for superior horticultural performance. The naturally carpeting habit of sweet alyssum reaches a stable height of 30 cm with a spread of up to 40 to 50 cm, creating a dense, even plant cover. The small white flowers, about 4 mm in diameter, open in compact terminal clusters, releasing a sweet scent that is particularly intense in the evening.

The fibrous root structure allows remarkable adaptation to poor, chalky soils, with a preference for well-drained sandy substrates. This alyssum tolerates pH levels from 6.5 to 8.5, coping perfectly with seaside conditions thanks to its natural resistance to salt spray. The linear foliage, a characteristic greyish green, has a fine pubescence that limits evaporation and gives excellent drought resistance once the plant is established.

Planting, growing and expert care

Sweet alyssum is ideally sown from March to May in place, or from February under cover for an early start. The very fine seeds need surface sowing with light raking to ensure contact with the soil. The recommended spacing of 20 to 25 cm between plants guarantees optimal development and prevents fungal diseases. Germination takes place within 10 to 15 days at a constant temperature of 18-20°C.

Initial watering should keep the substrate slightly moist without excess, as young seedlings dread stagnant moisture. Once established, alyssums cope perfectly with prolonged dry spells. If the plants wilt in summer, a drastic cut back to ground level followed by copious watering triggers a spectacular second flowering in autumn. This rejuvenation technique, specific to alyssums, extends the decorative period until the first frosts.

Expert tips and plant synergies

To maximise the visual and olfactory impact of your alyssums, combine them with plants with complementary flowering such as wallflowers, candytuft or nemesia to create multicoloured fragrant carpets. This combination forms an attractive ecosystem for beneficial garden insects while spreading the flowering period over several months.

The frequent mistake is to sow too densely: respect the recommended spacing to avoid etiolation and encourage air circulation. In ecological gardening, sweet alyssum works as a trap plant for certain pests while feeding essential pollinators. For late sowings in June-July, favour a slightly shaded position during the hottest hours and keep watering regularly until the plants are fully established.

Professional tip: harvest your own seeds by leaving a few flower stems to dry at the end of the season. These natural seeds, perfectly adapted to your local conditions, will give even hardier plants the following year.

Technical specifications