Lobularia maritima procumbens Snow Crystals - Sweet Alyssum
Lobularia maritima procumbens Snow Crystals - Sweet Alyssum
Lobularia maritima procumbens Snow Crystals
Sweet Alyssum
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This plant carries a 6 months recovery warranty
More information
We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
Lobularia maritima procumbens or Alyssum Snow Crystals, also known as Sweet Alyssum, is an annual groundcover plant that is floriferous and robust. It quickly forms uniform, snowy carpets because its immaculate flowers are particularly large and cover its compact vegetation perfectly. Its fragrant and cushion-like growth habit makes it suitable for borders, rockeries, as well as hanging baskets and flower pots. Its resilience contradicts its delicate appearance. Resistant to weather and drought, this plant is very useful in coastal areas and dry gardens.
Alyssum is an annual plant belonging to the Brassicaceae family, native to southern Europe and the Mediterranean region. This plant is widely cultivated in gardens and has given rise to many horticultural varieties. Alyssum Snow Crystals forms woody-based, dense, and prostrate herbaceous clumps, 15 cm (6in) tall and 25 cm (10in) wide, in the year following its sowing. Initially resembling a weed, it then transforms into an imposing clump of branched stems, adorned with glaucous green, alternate, simple, and entire leaves that are narrow (from lanceolate to linear) and quite hairy. The flowering period extends from June to September, completely covering the plant with white flowers that have a delightful honey fragrance.
Underutilised in gardens, Alyssum can thrive in well-drained soils. They are perfect plants for covering the tops of walls, the spaces between rocks in rockeries, and at the base of perennials and dryland shrubs such as rock roses, shrubby salvias, lavenders, or rosemary. They can also be planted along pathways in well-drained soil. They perform exceptionally well in pots and containers too.
Flowering
Foliage
Plant habit
Botanical data
Lobularia
maritima procumbens
Snow Crystals
Brassicaceae
Sweet Alyssum
Cultivar or hybrid
Planting and care
Sow the Alyssum seeds from late March to May, at 15-29 ° C, on the surface of good quality compost. Keep the soil moist but not waterlogged and keep the sowing in the light. Place in a mini-greenhouse or enclose the seed tray in a polyethylene bag until germination, which takes between 7 and 30 days. When the plants are large enough to handle, transplant and grow them in cooler conditions until they are big enough to be planted outside. When the plants are well-developed and the risk of frost has passed, start hardening them to outdoor conditions for 7 to 10 days. Transplant outside, in full sun, in sandy or gravelly, well-drained, light soil, with each plant being spaced 30cm (12in) apart.
Another alternative: sow Alyssum outside in May, directly in the open ground, in well-prepared and well-aerated soil.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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