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[Cerinthe major] Honeywort seeds, annual plant with striking blue-green mottled foliage and pendant purple flowers, a favourite of bees.
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Honeywort (Cerinthe major), also known as Blue Shrimp Plant, is an annual herb native to the Mediterranean basin, belonging to the Boraginaceae family. It is highly valued in informal gardens for its unusual look.
It has cylindrical, fleshy, branched stems that can reach 80 cm in height. The leaves are blue-green, often mottled with white, with a surface covered by a thin waxy film.
The flowers are tubular and pendant, purple in colour, wrapped in decorative bracts of the same shade: a truly unusual sight in the garden.
Sow in trays from mid-March, while direct outdoor sowing is possible from mid-May, after the last frosts. Cover the seeds only lightly with fine soil.
It prefers light, fertile, well-drained soil, in bright partial shade. It is a low-maintenance plant that tends to self-seed year after year.
Flowering is prolonged, from late spring through June-October depending on climate.
Excellent in mixed groups with other annuals and perennials, or in pots at least 30 cm deep. Avoid burying the collar too deep when transplanting, to prevent rot.
It is a hardy plant generally not prone to disease or pests, especially when grown in well-drained soil without excess moisture.
The name comes from the Greek "keros" (wax) and "anthos" (flower), referring to the flower's resemblance to a small candle. It is one of the bees' favourite plants thanks to its abundant nectar, making it a true magnet for pollinators in the garden.