Lobularia maritima Crystallina - Sweet Alyssum seeds
Lobularia maritima Crystallina - Sweet Alyssum seeds
Lobularia maritima Crystallina
Sweet Alyssum
I've been sowing it for 3 years now, it self-seeds, we easily collect the seeds, it's gorgeous, it grows into beautiful long stems of 25-30cm (10-12in), and some stems even resist frost! You just need to cut the straw it forms during winter.
Anne-Laure, 21/04/2018
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This plant carries a 6 months recovery warranty
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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 or Scented Alyssum Crystallina, also known as Sweet Alyssum, is an annual groundcover with very attractive flowering. Indeed, its multiple small flowers of pure white colour appear as early as June and continue until October. They are abundant, fragrant, and attract many insects.
This Alyssum has many features: its compact habit forms a ball of flowers that allows it to cover the edges of flower beds, but also to blend with hanging annuals and in containers. It easily fits in with plants that grow a little more vertically, thus filling their base. It is an annual that prefers a sunny exposure and adapts to various soils. This Sweet Alyssum will easily find its place everywhere: in the garden, in rock gardens, on walls, and in containers to add a touch of volume. You can sow it directly in situ, by broadcasting the seeds, as soon as the temperatures are mild, or start it undercover to then use it in all your pot or container compositions.
Its brilliant white colour will provide special lighting to certain areas of the garden. You can create patches of light by grouping the plants together, or even highlight the edges of flower beds by assembling them in a ribbon. It will also naturally fit in with other companions, regardless of their colour.
The Alyssum Crystallina is therefore an essential annual: it fits into all compositions, is very floriferous, and requires no maintenance.
Flowering
Foliage
Plant habit
Botanical data
Lobularia
maritima
Crystallina
Brassicaceae
Sweet Alyssum
Cultivar or hybrid
Planting and care
Sweet Alyssum Crystallina is preferably sown under shelter in a seed tray from March onwards. If frost is still persistent in your region, wait until April as the seeds will prefer a temperature close to 18°C (64.4°F). Just cover the seeds with a thin layer of substrate that you will keep slightly moist. The seeds will germinate in about fifteen days. When the seedlings are large enough to be moved, you can separate them and place them in planters if the frost period is not over and keep them warm. Otherwise, you can plant them directly in the ground. You can also sow them directly in the soil from April, if your climate is mild, or in May if you still fear the cold. Once they have germinated, you can thin them out by removing any excess plants if necessary.
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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