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Echinacea paradoxa - seeds

Echinacea paradoxa
Yellow Coneflower

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The Yellow Coneflower is a tall perennial which, when propagated by seed, starts flowering the following year. The vigorous clump then produces long stems that bear at their tip a compound, golden flower enhanced by a chocolate brown centre which stands out well against the green foliage. This fragrant and nectar-rich, bright flowering lasts all summer. A perfect perennial for English-style mixed borders and diverse flower beds.
Flower size
10 cm
Height at maturity
90 cm
Exposure
Sun
Annual / Perennial
Perennial
Germination time (days)
20 days
Sowing method
Sowing under cover, Sowing under cover with heat
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Sowing period March to April
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Flowering time June to August
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Description

Echinacea paradoxa, or Yellow Coneflower, is a decorative perennial with many assets. Its flowering lasts almost all summer and is colourful and highly sculptural. Its large compound flowers, like daisies, are a very bright golden yellow and brighten up the flower beds. A central brown chocolate heart creates a strong contrast, while the pendulous petals on either side create an original and aesthetic design. A tall perennial that forms beautiful clumps in sunny locations.

Echinacea belongs to the vast family of Asteraceae (formerly known as Compositae, in reference to the structure of the inflorescences, composed of tubular flowers in the centre, and ligulate flowers on the periphery). There are nine species of Echinacea, all native to the United States, and closely related to Rudbeckias. Echinacea paradoxa grows wild in clearings and meadows in the states of Missouri, Arkansas, Oklahoma, and Texas. This species is unique in its yellow flowering while the others are generally pink-mauve or violet.
This herbaceous perennial plant forms vigorous clumps, reaching up to 90 cm high and 50 cm wide. From late spring, long rigid stems form, topped with large yellow flowers measuring 8 to 10 cm in diameter. The ligulate flowers on the periphery are yellow, while the small, tightly packed central tubular flowers form a dome of chocolate brown, together making a flower head. These compound "flowers" contrast beautifully with the medium to dark green foliage, consisting of very narrow leaves. This neactar-rich and fragrant Yellow Coneflower attracts numerous pollinating insects, such as bees and butterflies. If the stems and faded flowers are left in place, the dried heads will be very decorative in the winter garden, and the seeds can be eaten by birds.

The Yellow Coneflower will fit well in a mixed-border, a wide flower bed adjacent to a winding grassy path, typical of English gardens... or in a varied bed in the French or German style. When planted in a sunny location, this tall perennial will form the second rank alongside other tall flowers such as the superb Delphiniums (Delphinium). Choose blue varieties that will create striking contrasts. Campanula lactiflora Prichard will play the same role with its lush spikes of blue star-shaped flowers. At the edge, choose low-growing perennials to create layers of vegetation, such as Hemerocallis Poogie, with its large pastel pink star-shaped flowers, or Scabiosa Pink Mist, with its slightly deeper pink flowers throughout the summer.

The term Echinacea comes from the Greek word Echinos, meaning Hedgehog, in reference to the spiky seed cones of these plants. Echinacea is a medicinal plant used in homoeopathy as a short-term immune stimulant to prevent infections. This plant was also known to Native Americans who used its leaves to combat rheumatism and certain childhood diseases, and its roots to treat burns and toothaches.

 

Flowering

Flower colour yellow
Flowering time June to August
Inflorescence Flower head
Flower size 10 cm
Fragrance Fragrant
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 90 cm
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Echinacea

Species

paradoxa

Family

Asteracées

Other common names

Yellow Coneflower

Origin

North America

Planting and care

Sow Echinacea paradoxa in spring, in March and April, after storing the seeds in the refrigerator at 4°C for 5 to 6 weeks to facilitate germination. Use a tray filled with seed compost, spread the seeds on the surface and cover them with a thin layer of compost. Then moisten and place at 15-20°C, in a propagator or a mini-greenhouse. Keep the substrate moist, but not excessively, germination usually occurs after 2 to 4 weeks. When the seedlings have reached the stage of 4 to 6 leaves, they are ready to be transplanted into pots to grow larger. Plant in the ground in autumn.
Choose a sunny or lightly shaded location, in ordinary to humus-bearing soil, not too dry to moist and very well-drained. Poor drainage is fatal to it, so it is strongly advised, in cold and humid regions, to place a dry mulch at its base during the winter season. This plant may take a little longer to establish, but then it is very perennial. It will flower the following summer after planting, with some watering in spring. Once well-rooted, it is relatively resistant to drought.
Removing faded flowers prolongs flowering, and in October, it is advisable to cut all stems to ground level. They can also be cut in February if you want to leave their decorative cones in place during the winter. Clumps tend to age poorly, so it is a good idea to divide them every two or three years (no more, as Echinaceas don't like to be transplanted too much...).

Sowing period

Sowing period March to April
Sowing method Sowing under cover, Sowing under cover with heat
Germination time (days) 20 days

Intended location

Suitable for Meadow
Type of use Border
Hardiness Hardy down to -18°C (USDA zone 7a) Show map
Ease of cultivation Amateur
Exposure Sun
Soil pH Neutral
Soil moisture Moist soil, Well-drained

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