Thorny seeds of Helen Campbell Spiky - Cleome spinosa
Thorny seeds of Helen Campbell Spiky - Cleome spinosa
Thorny seeds of Helen Campbell Spiky - Cleome spinosa
Cleome hassleriana Helen Campbell
Spider flower
Out of twenty seeds planted, three have sprouted.
nicole R., 15/05/2018
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Description
The Cléome Helen Campbell is an annual plant with large growth (1m (3.3 ft) to 1.50m) forming clusters of white flowers that are very fragrant and have long stamens, giving them a unique appearance, from June until the first frost.
Known by the following Latin names: Cleome hassleriana, Cleome pungens, or Cleome spinosa, the Cléome Helen Campbell develops tall and hairy stems, carrying palmate leaves measuring 10 to 12 cm (4.7 in).
In summer, compact clusters of white flowers form at the end of the stems. The long stamens give an airy appearance to the flowers, which some compare to spider legs. For this reason, Cléome is called the "Spider Flower" in England.
The highly fragrant flowers fill the garden with their scent all summer long. Pollinating insects will be attracted to your garden because of their presence. It is a good way to improve the ecosystem of your garden and vegetable patch.
Cléome is ideal for creating impressive flowerbed compositions near the house or terrace to enjoy their delightful fragrance.
Originally from the warm regions of South America, Cleome hassleriana Helen Campbell thrives in full sun and cannot tolerate temperatures below 4°C.
Flowering
Foliage
Plant habit
Botanical data
Cleome
hassleriana
Helen Campbell
Capparaceae
Spider flower
South America
Planting and care
Sow the Cleome in March-April in a seed tray. Use good quality compost. Scatter your seeds. Cover the seeds by sprinkling compost on top or vermiculite, lightly press down and water generously with a fine rain. Place your pots in light, without direct sunlight, at a temperature of 25°C to 27°C. Lower the temperature at night to 17°C to create a beneficial germination alternation.
The seeds will take 1 month to germinate. As soon as the plants reach a height of 10 cm (3.9 in), transplant them into pots. 15 days before their final placement, start gradually acclimatizing them to a temperature of 15°C.
By the end of May or early June, the temperature in the garden will be warm enough to plant your young plants. Choose a sunny location. Add a good handful of compost to each planting hole. Space your plants 25 to 30cm (11.8 in) apart.
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).
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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.