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Cornflowers Double-flowered Mixed Seeds - Centaurea cyanus

Centaurea cyanus
Cornflower, Bachelor's button, Bluebottle, Cyani Flower, Barbeau, Blaver, Blue Bonnet, Happy Skies, Ragged Robin

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Having seen this variety at the Valsainte garden in the south of France, I was delighted to find these seeds on your website.

Annabel T., 08/02/2018

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This plant carries a 6 months recovery warranty

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Value-for-money
This adorable annual weed, once so common in our countrysides and in our cereal fields, surpasses itself in this mix of varieties which easily create an unforgettable picture with their double flowers in a farandole of white, pink, red, lilac, mauve and blue shades. Very decorative in large drifts, these cornflowers bloom for months on end, especially if care is taken to remove the flowers as they wilt. They like full sun and fertile, well-drained soil.
Flower size
3 cm
Height at maturity
80 cm
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
18 days
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Sowing period February to April
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Flowering time June to August
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Description

Centaurea cyanus Double-flowered Mix, also called cornflower or bachelor's button, is a mixture of double flowers in a variety of shades. Just like the adorable annual weed which once so widespread in our countrysides, wandering even as far as into our cereal fields, they paint a somewhat naive but unforgettable picture. Very decorative in large drifts, these cornflowers are perfect in wildflower bouquets and bloom for months on end if care is taken to remove the flowers as they wilt. They like full sun and fertile, well-drained soil.

 

Cornflowers of this selection belong to the family Asteraceae. It is a mixture of cultivars derived from Centaurea cyanus, an annual herbaceous plant native to Europe and North Asia that has long been considered an invasive weed in cereal crops and is one of the most beautiful wildflowers of our regions. It forms an upright clump with tender stems, reaching 80 cm high and 25 to 30 cm wide, bearing very narrow, long, greyish-green leaves. The flowering period lasts from June to August, displaying inflorescences in the form of double flower heads, 3 cm across. The ligulate flowers (or the petals surrounding the centre) are toothed at their tips and come in a blend of colours ranging from pure white to ultramarine blue, including all the different shades of pink, mauve and red. The centre of the inflorescence is made up of purplish florets. The flowers are very melliferous and nectar-rich.

  

Cornflowers are enchanting in flowerbeds where they form remarkable patches of colour. This mix of double-flowered cornflowers, delightful descendants of the most famous of them all, bring the charm of the countryside to our gardens. Sow cornflower in wild-looking beds, combined with ornamental grasses such as Stipa tenuifolia or Muhlenbeckia capillaris, common poppies or oriental poppies, with pink love-in-a-mist, California poppies and purple cornflowers. The edible flowers can be used to decorate summer salads. It is also an excellent cut flower.

Flowering

Flower colour multicoloured
Flowering time June to August
Inflorescence Flower head
Flower size 3 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Annual
Foliage colour green

Plant habit

Height at maturity 80 cm
Spread at maturity 25 cm
Growth rate normal

Botanical data

Genus

Centaurea

Species

cyanus

Family

Asteraceae

Other common names

Cornflower, Bachelor's button, Bluebottle, Cyani Flower, Barbeau, Blaver, Blue Bonnet, Happy Skies, Ragged Robin

Origin

Cultivar or hybrid

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Planting and care

Sow cornflower seeds outside, in their final positions, in March-April. Choose a sunny spot with well-drained soil that has been well-prepared and raked to a fine tilth. Sow thinly, to a depth of 3 mm, spacing the seeds 30 cm apart. Water regularly, especially during dry periods. Germination usually takes 14-21 days. When the cornflower seedlings are large enough to be handled, transplant them 15 cm apart. An alternative is to sow them indoors from August to September to obtain blooms at the beginning of summer, the following year. Sow the cornflowers on the surface of good quality soil at a temperature of 18-23 °C, and cover with a sprinkling of very fine garden compost or vermiculite. Keep the seedlings in the light as this helps germination. When the seedlings are large enough to be moved, transplant and grow them in a place sheltered from the cold until the seedlings are large enough to be moved outside. Grow the cornflower seedlings in a frost-free place before planting out the following spring, or pricking them out in pots. Cornflowers thrive in fertile, well-drained, fine tilth soil, in full sun.

Sowing period

Sowing period February to April
Germination time (days) 18 days

Intended location

Suitable for Meadow, Rockery
Type of use Border, Slope
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Moist soil, in humus et en nutriments, ce sol convient parfaitement aux plantes à croissance rapide. Il favorise le développement racinaire et permet une bonne absorption de l'eau. Il est important d'arroser régulièrement les plantes pour maintenir une humidité const
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