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Echinacea purpurea SunSeekers Rainbow - Purple coneflower

Echinacea purpurea
Eastern purple coneflower, Purple coneflower

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More information

Like a bouquet of colours, the beautiful semi-double flowers of this Echinacea evolve from yellow to all shades of pink. With a compact and bushy habit and sturdy stems, this perennial thrives in the garden or in a pot on the terrace. Easy to grow in the sun in any well-drained soil, it is ideal for cut flowers or drying.
Flower size
6 cm
Height at maturity
60 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time April to May
Recommended planting time March to May, September to October
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Flowering time July to September
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Description

Echinacea SunSeekers 'Rainbow' delights lovers of soft and changing colours. Its large fluffy flowers bloom in light yellow before quickly evolving into a range of pinks: coral, lavender, salmon, powdery pink. In the height of summer, all these colours are present at the same time on the plant. The flowers have a brown central cone surrounded by numerous overlapping petals. Compact and floriferous, this variety is excellent in borders, at the front of flower beds, in pots, and as a cut flower. Easy to pair with all other plants in the garden or on the terrace, its flowers attract numerous pollinating insects.

Echinacea SunSeekers 'Rainbow' is a recent horticultural hybrid. This cultivar is part of the remarkable SunSeekers series that stands out from other perennial Echinaceas with its unique shapes and colours that do not fade over time. SunSeekers also have exceptional vigour, with these perennials producing masses of flowers on short stems, above narrow dark green leaves. This variety forms a dense and sturdy clump, reaching 60cm in height and 40cm in width. The plant demonstrates excellent durability. The opposite lanceolate leaves are dark green and covered in rough hairs. The abundant flowering occurs from July to September and is very popular with butterflies. The branched stems end in a solitary head inflorescence with a prominent, bristly, orange-brown central disk. It is surrounded by petals or ligules with frayed edges, arranged in several rows. The fruit is an achene that releases seeds sought after by birds. This plant firmly and deeply anchors itself in the soil with its highly developed root system.

Echinacea SunSeekers 'Rainbow' is easy to grow in ordinary soil. Very floriferous, this perennial is ideal for both beginner gardeners and enthusiasts of endless and colourful blooms. It is also a good flower for cutting or drying. Plant this Echinacea at the edge of a flower bed with flowers of different shapes. Consider sage, carnations, asters, as well as daylilies. Add clumps of annuals like Nigella and grasses like Pennisetum.

A medicinal plant: In homeopathy, the root of the Echinacea is used to fight colds and strengthen the immune system. These properties were already used by Native Americans. The name Echinacea comes from the Greek echinos which means "bristly or like a hedgehog" and acea meaning "having the shape of", referring to the appearance of the flower's centre.

Echinacea purpurea SunSeekers Rainbow - Purple coneflower in pictures

Echinacea purpurea SunSeekers Rainbow - Purple coneflower (Flowering) Flowering

Flowering

Flower colour pink
Flowering time July to September
Inflorescence Solitary
Flower size 6 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Plant habit

Height at maturity 60 cm
Spread at maturity 40 cm
Growth rate slow

Botanical data

Genus

Echinacea

Species

purpurea

Family

Asteraceae

Other common names

Eastern purple coneflower, Purple coneflower

Origin

Cultivar or hybrid

Planting and care

The SunSeekers 'Rainbow' Echinacea sometimes takes its time to settle; indeed, its growth is rather slow. But in return, once established, it requires no special care and is highly resistant to pests and diseases. It is preferably planted in spring, in a sunny location, in a mix of potting soil and garden soil. The soil should be deep and loose to accommodate its root system. Mulch the base in May to keep it cool in summer. Trim the faded flowers as they appear to prolong the flowering. Divide the clump when flowering slows down. It is a rhizome plant that can become invasive if it likes its environment. As the plant ages, it becomes more susceptible to aphid attacks and powdery mildew. Mulch the base in May to keep it cool in summer, as it is sensitive to water shortage during flowering.

Planting period

Best planting time April to May
Recommended planting time March to May, September to October

Intended location

Suitable for Meadow
Type of use Edge of border, Container
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Rich, deep, well-drained

Care

Pruning instructions Prune the flowers regularly, cutting them down to encourage new flower growth.
Pruning Pruning recommended once a year
Pruning time August to October
Disease resistance Good
Overwinter Can be left in the ground

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