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Clasping coneflower Seeds - Rudbeckia amplexicaulis
Clasping coneflower Seeds - Rudbeckia amplexicaulis
Clasping coneflower Seeds - Rudbeckia amplexicaulis
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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 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.
Seed-only orders are dispatched by sealed envelope. The delivery charge for seed-only orders is 3,90 €.
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Rudbeckia amplexicaulis, sometimes called Dracopis amplexicaulis or Clasping Coneflower, is an ephemeral perennial that is cultivated as an annual or biennial. It is easy to grow and will not last more than 2 to 3 years because it is vulnerable to frost, especially in humid conditions.
Rudbeckia amplexicaulis is a medium-sized plant (45/60 cm) recognizable by its unique sombrero-shaped flowers.
The foliage consists of a mound of blue-green, toothed, lanceolate, 5 to 10 cm long basal leaves, from which sturdy, branched flower stems grow. The stems bear narrower, rather oval-shaped cauline leaves.
The flowers of Rudbeckia amplexicaulis are large solitary daisies (pseudanthia) with a prominent black centre and yellow drooping corolla. The long petals are regularly arranged around the centre of the flower which reaches a diameter varying from 5 to 7 cm. The large number of flowers which renew themselves continuously from July to September, form a remarkable blooming mass among other perennials and annuals. This flowerbed is a source of fresh flowers for making bouquets.
At the end of summer, the yellow and orange petals fade and fall, while the cone-shaped centre of the flowers dries and mummifies. Here again the flowers can be picked and incorporated into a dried flower bouquet.
Clasping Coneflower likes warm and sunny situations. In terms of soil, it prefers a rich, moist and most importantly, well-drained soil.
Ecological benefit : All summer long, the melliferous flowers of the Rudbeckias attract pollinating insects and butterflies to your garden. This is a good way to improve the ecosystem of your garden and to promote the production of fruit and vegetables in your vegetable garden. In autumn, you will be able to admire the incessant ballet of birds that come to feed on the mature seeds they find in the heart of the dried flowers.
Clasping coneflower Seeds - Rudbeckia amplexicaulis in pictures
Flowering
Foliage
Plant habit
Botanical data
Before sowing Rudbeckia, place your seeds in the vegetable drawer of your refrigerator for 4 weeks. This will lift the dormancy of the seed and thus improve the success of your sowing.
Sow Rudbeckia amplexicaulis from February to March in a tray. Use a good quality soil and sieve the surface so that the seed will bind to the growing medium. Before sowing, lightly tamp down the soil with a small plank of wood. Broadcast your seeds. Cover the seeds by sprinkling topsoil or vermiculite on top, tamp down lightly and water generously with a fine spray. Place your tray in the light, without direct sunlight, at a temperature of 15°c to 20°c.
Seed emergence will take 30 to 120 days. As soon as the seedlings can be handled, transplant them into 7 cm pots. Keep the soil moist but not waterlogged during growth. Then, 15 days before finally placing them in their final positions, begin to acclimatize them gradually to temperatures close to those outside.
At the end of May, beginning of June, the temperature in the garden will be warm enough to planting out your young plants. Choose a site with plenty of sunshine. Add a good shovelful of compost to each planting hole. Space your plants 30 cm apart.
Regularly remove faded flowers to maintain the plant’s beauty and encourage the renewal of blooms.
Sowing period
Intended location
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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.