Echinacea purpurea White Swan organic seeds - Purple coneflower
Echinacea purpurea White Swan organic seeds - Purple coneflower
Echinacea purpurea White Swan organic seeds - Purple coneflower
Echinacea purpurea White Swan organic seeds - Purple coneflower
Echinacea purpurea White Swan
Purple coneflower
More information
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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
Echinacea purpurea 'White Swan' is a perennial coneflower with large white flowers, borne on sturdy stems, above a clump of dark green foliage. Selected for its pure white petals and green-bronze to coppery central cone, it brightens up sunny borders. This nectar-rich variety attracts numerous pollinators and, later in the season, birds that are fond of its seeds. Grown from organic seed, it is perfect for creating prairie-style scenes, naturalistic borders, and long-lasting flower arrangements.
Echinacea purpurea belongs to the Asteraceae family. This species is known by the common names purple coneflower, purple rudbeckia, or American rudbeckia. It is a herbaceous perennial, native to plains and dry prairies, woodland edges, and moist meadows of the central and eastern United States, where it grows in well-drained, sometimes lime-bearing soils, in sunny positions.
'White Swan' is a white-flowered cultivar, also sold under the names Echinacea purpurea 'Alba', Echinacea 'White Swan', or Rudbeckia 'White Swan'. It was introduced to the trade by Thompson & Morgan in the late 1980s. The plant forms a basal clump of lanceolate to ovate, medium to dark green, slightly rough leaves, 10 to 15cm long. It reaches 70 to 80cm in height and 40 to 50cm in spread. Its growth is medium to fairly fast, reaching mature size in 2 or 3 seasons. Flowering occurs from June to August, sometimes extending into September depending on the climate. Each 7 to 10 cm diameter head has a conical central cone, initially green, becoming green-bronze then orange-brown, surrounded by fine, cream-white ligules, slightly arching downwards. The flowers are rich in nectar and pollen and are pollinated by many insects. After flowering, the cone transforms into a head of dry fruits (achenes) tightly packed together; these seeds are loved by goldfinches and other seed-eating birds in late summer. The foliage is deciduous: the clump dies back in winter, with the plant regrowing from the crown in spring. 'White Swan' has received an Award of Garden Merit from the Royal Horticultural Society, a guarantee of reliability in the garden.
Echinacea purpurea 'White Swan' is an excellent perennial for sunny borders, mixed with grasses such as Panicum virgatum 'Heiliger Hain'. To extend the flowering season, you can add vervain Verbena officinalis 'Bampton' or variegated pink gaura 'Freefolk Rosy'. A few clumps of brightly coloured coneflower, such as 'Kismet Raspberry', will add lovely raspberry touches amidst the white corollas.
Echinacea purpurea White Swan organic seeds - Purple coneflower in pictures
Flowering
Foliage
Plant habit
Botanical data
Echinacea
purpurea
White Swan
Asteraceae
Purple coneflower
Rudbeckia 'White Swan'
Cultivar or hybrid
Planting and care
Sow Purple Coneflower ‘White Swan’ seeds early in spring, from March to May, under cover, in seed trays filled with seed compost, kept at 20-25°C. Soak the seeds in warm water until they swell to encourage germination. Germination can take between 5 and 20 days depending on conditions. Do not cover the seeds too deeply as they need light to germinate. When your young plants have 4 leaves, transplant them into pots. Gradually acclimatise them to outdoor conditions for 10 to 15 days. Then, when your young plants are large enough to handle, and all risk of frost has passed, plant them in a sunny position in moist, well-drained soil, in a pot or in a border, spacing them 20cm apart.
You can also sow directly in the ground, from May to July (daytime temperatures of at least 20°C), in well-loosened soil. Thin the seedlings to leave one plant every 20cm, in full sun.
This is an easy perennial plant that requires no special care and is very resistant to pests and diseases. Only snails and slugs threaten its young leaves in spring. Remove faded flowers as they appear.
You can leave the last few to dry in place and provide a decorative touch during winter. Each year, before growth resumes in spring, clean up the clump.
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).
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 zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.