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Sempervivum Silberkarneol - Joubarbe hybride rouge-rose.
Very well
Michel, 18/11/2023
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Dispatch by letter from €3.90.
Delivery charge from €5.90 Oversize package delivery charge from €6.90.
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This plant carries a 12 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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Sempervivum 'Silberkarneol' is a sculptural hybrid variety of houseleek. It produces medium-sized, very tight rosettes, similar to pretty cabbages with fleshy, red-pink leaves, emerald green at the base, bordered and covered with silver bristles that catch the light. It has bright pink star-shaped flowers with a red centre in the heart of mature rosettes in summer. This succulent and colourful perennial will cover neglected, rocky or dry areas well. It requires no maintenance, only dry, poor, sandy or limestone soil, and will not need watering.
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Sempervivum 'Silberkarneol' comes from the Arachnoid Houseleek (Sempervivum arachnoideum), a botanical species widespread in mountains. This wild Sempervivum can vary in appearance and lives on rocks or scree. 'Silberkarneol' clings to the smallest cracks to slowly form small colonies of rosettes of different sizes not more than 10 cm (4in) high. With time, it can form a dense carpet spreading over 60 cm (24in) on the ground. Each rosette resembles a small artichoke with a diameter of 3 cm (1in) to 5 cm (2in) with a nest of silver bristles composed of numerous pointed leaves tightly packed against each other in its centre. The plant is green in winter and quickly takes on a pink-red hue in spring and red-brown in summer, while retaining long hairs along the edge of each leaf that catch the sun. Rosettes aged 2 or 3 years will produce 1-5 star-shaped flowers in summer and then disappear, after producing several small rosettes on the periphery. 1 to 5 star-shaped flowers form on thick stems, with 8-10 purple-pink petals and a dark red centre.
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Silberkarneol Sempervivum is a gift for rocky gardens with thin soil where few species. If your soil is poor, rather dry, stony, rocky, or even slightly chalky, this easy to grow, hardy perennial (which withstands temperatures below -15°C (5°F)) will enliven any pile of stones, a wall, or even a green roof. Houseleeks are easy succulent plants, with various shades of flowers and foliage allowing for astonishing compositions. Perfect in pots and irreplaceable in borders, troughs, or rockeries, alongside London pride (Saxifraga umbrosa), wall bellflowers, or Lewisia cotyledon, you will want to collect more of these miniature perennials. Consider companions with staggered flowering (Sedums, thymes) and colourful foliage (Bergenia, Euphorbia myrsinites...) for an interesting and variegated rockery.
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Sempervivum Silberkarneol in pictures
Flowering
Foliage
Plant habit
Botanical data
Sempervivum Silberkarneol likes sunny or semi-shaded exposures and well-drained, moist to dry and poor, sandy or gravelly soils. Plant in spring or autumn, in the ground or a container, adding gravel or coarse sand to the substrate. If you plant it in a rockery or on a wall, just give it a little soil to allow it to establish.
If you want to multiply it, simply cut a few young rosettes and replant them elsewhere, just burying the roots. Make sure it is not overwhelmed by taller plants or covered with dead leaves or vegetation and remove faded inflorescences.
Planting period
Intended location
Care
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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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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
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.