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Honeywort Purpurascens Kiwi Blue Seeds - Cerinthe major

Cerinthe major Purpurescens Kiwi Blue
Honeywort

4,4/5
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Monique , 27/11/2023

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This plant carries a 6 months recovery warranty

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This annual or biennial of great ornamental value is rarely found in our gardens. It bears flowers encased in bracts that are tinged with a uniquely magnetic purplish-blue. Its golden flowers are embellished at the base with a red or purplish line and gracefully nod. It evokes succulent plants, with its thick heart-shaped, bluish-green leaves, spotted with white in the centre. It can be used to fill the gaps between perennials, and is extremely easy to sow in light, well-drained soil in the sun.
Flower size
3 cm
Height at maturity
50 cm
Exposure
Sun, Partial shade
Annual / Perennial
Annual
Germination time (days)
10 days
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Sowing period March to April
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Flowering time April to August
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Description

Cerinthe major Purpurascens Kiwi Blue, also called Honeywort, is an annual or biennial of great ornamental value that is still rarely found in our gardens. It bears flowers encased in bracts that are tinged with a uniquely magnetic purplish-blue. Its golden flowers are embellished at the base with a red or purplish line and gracefully nod. It evokes succulent plants, with its thick heart-shaped, bluish-green leaves, spotted with white in the centre. It can be used to quickly fill the gaps between perennials, to cover the ground of dry slopes or to decorate a rock garden. They are extremely easy to sow in light, well-drained soil, in full sun. 

Cerinthe major Purpurascens belongs to the family Boraginaceae, although it does not, at first sight, look at all like its cousin the borage. It is an annual or biennial plant, native to Mediterranean Europe and North Africa, that develops a taproot that allows it to grow in stony or sandy fields in poor, dry soil. In France, it is found in Provence, Languedoc, Ardèche and Corsica. This plant grows quickly and can even complete two growth cycles in one year. It forms a slightly succulent clump of foliage, made up of stems branching out from the ground that are covered with smooth, sheathed leaves of a satiny, bluish-green colour that are more or less punctuated with white spots. Flowering takes place from April to August, depending on the date of sowing. The stems are curled at their tips and unfurl, bearing 3 cm long, purplish-red tubular flowers. But its is the metallic, deep blue bracts of these flowers which glint in the light, that make this plant especially unique. The blooms are melliferous and are followed by the formation of 2 large black seeds per flower, which are easy to sow.

 

Cerinthe is the perfect plant to quickly cover the ground of barren slopes or the open spaces in a rock garden. It is imperative that the soil is well drained. Use it to easily create beautiful container displays, in a deep pot, together with the ornamental carrot Dara and Echium plantagenum. Its bluish hue combines wonderfully with that of zinc containers. Also install it in dry perennial beds, with grasses for example or plants with grey foliage (sagebrushes, false dittany, silverbush or Convolvulus althaeoides..).

Flowering

Flower colour violet
Flowering time April to August
Inflorescence Solitary
Flower size 3 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Annual
Foliage colour green

Plant habit

Height at maturity 50 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Cerinthe

Species

major

Cultivar

Purpurescens Kiwi Blue

Family

Boraginaceae

Other common names

Honeywort

Origin

Mediterranean

Planting and care

Sowing Cerinth major purpurascens is almost impossible to fail. Once the plant has finished flowering, let the plant produce seeds that are large and black once mature. You can sow two different ways: 1- Collect the ripe seeds and sow them at a more favourable time, in September-October for plants that flower in April-May, or in April-May for summer flowering, or sow in July to obtain blooms in the autumn. 2- Allow spontaneous self-seeding : your new plants will bloom from the end of April and May (autumn sowing), then in July (May sowing) and finally in October (summer sowing). Direct sowing in the open ground gives good results and very strong plants since it allows their taproot to plunge deeply and quickly into the soil, producing more drought-resistant, well-branched plants. It is best to always collect seeds so that you have a reserve in case the plants are destroyed by a particularly harsh winter. To help the seeds germinate in containers, leave the seeds to soak for 2 or 3 days in a glass of water. When they are visibly swollen, push them into a pot containing garden soil mixed with a little coarse sand or fine gravel. The soil should remain very moist and the pot should be kept under cover until the first shoots have emerged from the seed's casing. Germination is quick: the seedlings will easily reach 5 cm high. When the first 2 leaves appear, you can usually see the roots come out of the base of the pot, and you then know it is time to prick out the seedlings into larger, individual pots. Once they have 4 leaves, the terminal bud can be pinched in order to force the plant to branch out and produce more flower stems. It is useful to gradually harden off the seedlings by placing them outdoors in the shade for a few hours each day, when the weather is not too cold. They should be acclimatized to full sun very gradually, before they are planted out into the garden in their final position

Sowing period

Sowing period March to April
Germination time (days) 10 days

Intended location

Suitable for Meadow, Rockery
Type of use Border, Container, Slope
Ease of cultivation Amateur
Exposure Sun, Partial shade
Soil pH Any
Soil moisture Dry soil, Moist soil, Sol léger, drainé
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