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Echinacea purpurea 'Alba'

Echinacea purpurea Alba
Eastern purple coneflower, Purple coneflower

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Good germination

Asseraf X., 16/05/2023

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This plant carries a 6 months recovery warranty

More information

This Echinacea offers a long and abundant summer flowering above a bushy and regular vegetation. Its large capitulum flowers spread their white and trailing petals or ligules around a central cone that is orange with green and brown reflections. A carefree perennial plant, it will thrive in ordinary but not too dry soil, in the sun. Ideal in flower beds, but also for cutting or drying. Sow indoors in late winter, or outdoors after frost.
Flower size
8 cm
Height at maturity
80 cm
Exposure
Sun
Annual / Perennial
Perennial
Germination time (days)
17 days
Sowing method
Direct sowing, Sowing under cover, Sowing under cover with heat
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Sowing period March to July
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Flowering time July to September
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Description

Echinacea purpurea 'Alba', a beautiful white form of Echinacea purpurea, is a lovely perennial that is as easy to grow as its wild relative with pink flowers. It is a flowering plant, forming a bushy and regular clump covered throughout the summer with large contrasting daisies, spreading their white and trailing ligules around a central cone that turns orange with green and then brown reflections. Its rough foliage stands out with its dark green colour. Its flowers are perfect for fresh or dried bouquets. The Purple Coneflower adapts to difficult conditions: to novice gardeners, occasionally to intense heat, humidity, and drought. It can even grow in poor soils.

 

Originally from the Western United States, Echinacea purpurea is a perennial with a strong character that looks like nothing else, but confidently colonizes rocky meadows, savannahs, clear undergrowth, and roadside edges in its natural habitat. 'Alba' is the white form of this intrepid pioneer. It has a dense and neat clumping habit, reaching 80cm (32in) in height and 50cm (20in) in width. The dark green leaves are covered in rough hairs. The flowering takes place from July to the end of summer, accompanying that of Inulas, asters, and ornamental tobaccos. It is visited by butterflies. The slightly branched stems are topped with a solitary inflorescence in a large head measuring 8cm (3in) in diameter. The central disk, initially flat, becomes prominent, like a pompom of tiny orange florets. All around, the fine white ligules with green bases are trailing. This plant firmly and deeply anchors itself in the ground with its well-developed root system. Its foliage disappears in winter.

 

The White Echinacea offers a graphic and highly contrasting flowering, in harmony with other simple perennials in cottage gardens. It is used in mixed borders with other simple flowers whose forms contrast (dahlias, daisies, daylilies, carnations) or in the company of Inulas, asters, yarrows, daisies, Echinops, Phlox. Lighten the scene by mixing in some ornamental grasses like Stipa tenuifolia, Muhlenbergia capillaris... Splendid in borders, the very unique flower of this echinacea will also be a part of fresh or dried flower bouquets.

Echinacea purpurea 'Alba' in pictures

Echinacea purpurea 'Alba' (Flowering) Flowering
Echinacea purpurea 'Alba' (Plant habit) Plant habit

Flowering

Flower colour white
Flowering time July to September
Inflorescence Flower head
Flower size 8 cm
Fragrance slightly scented, honeyed then vanilla-flavored
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 80 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Echinacea

Species

purpurea

Cultivar

Alba

Family

Asteraceae

Other common names

Eastern purple coneflower, Purple coneflower

Origin

North America

Product reference1565111

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Planting and care

Sow the seeds of Echinacea purpurea 'Alba' early in the spring, from March to May under shelters, in trays filled with a special sowing soil, maintained at 20-25°C (68-77°F). Cover the seeds with 1.5cm (1in) of soil. Germination takes 7 to 21 days. Take out the seedlings to gradually harden the plants in a cooler area. Then transplant the plants when they are large enough to handle, once the risk of frost has passed, keeping a distance of 30cm (12in) between each plant.

You can also sow from May to July directly outdoors, in a well-prepared and cleaned soil. Thin out the sowing to leave only one plant every 30 or 40cm (12 or 16in), in full sun. Echinacea takes its time to establish; its growth is rather slow. But in return, once in place, it requires no special care and is very resistant to pests and diseases. It is best planted in spring, in a sunny position, in a mix of potting soil and garden soil. The soil should be deep and loose to accommodate its root system. Deadhead the flowers as they fade. Divide the clump when flowering slows down. It is a rhizome plant that, if it likes its environment, can become invasive. As the plant ages, it becomes more susceptible to aphid attacks and powdery mildew. Mulch the base in May to retain moisture during summer, as it is sensitive to water shortage during flowering.

 

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Sowing period

Sowing period March to July
Sowing method Direct sowing, Sowing under cover, Sowing under cover with heat
Germination time (days) 17 days

Intended location

Suitable for Meadow, Woodland edge
Type of use Border, Edge of border
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Amateur
Exposure Sun
Soil pH Any
Soil moisture Moist soil, Deep and fertle.
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