Growing Guides
Cerinthe major purpurescens

Flowers

Cerinthe major purpurescens

Honeywort

RHS Plants for Pollinators

This free-flowering annual is widely grown to attract wildlife and as a cut flower. The waxy glaucous leaves are flecked with white. Nodding pendulous clusters of dusky mauve and steely purple blooms appear in summer, followed by large black seeds. They can self-seed freely but not aggressively.

Plant type
Hardy / Half-Hardy Annual
Position
Full Sun
Height
65cm
Spread
45cm

Growing calendar

JFMAMJJASOND
Sow indoors
Sow outdoors
Flowering

Sowing & growing

Soak the seeds for 12-24 hours before sowing. Can be sown under cover in Feb-April and Aug-Sep for overwintering, or in-situ in April-May. If grown under cover, harden-off and plant out after frosts have passed.

Aftercare

Will survive mild frosts, young plants may need some protection over winter in cold areas.

Ref. SEC016

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