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Corkscrew Vine

Cochliasanthus caracalla

Also known as

Bertoni-Bean, Snailflower, Corkscrew flower, Snail bean

Full Sun
Easy care
Frequent watering
Tender

H1a

RHS hardiness

15°C

Minimum temperature

Expected size

Height
Spread

6m

Max

6m

2m

Min

40cm

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has a strong fragrance

Corkscrew Vine Overview

This perennial vine has fragrant flowers said to be reminiscent of hyacinths, with a distinctive curled shape, giving rise to the common names. This is a non-invasive species, that will quickly cover a pergola.

Common problems with Corkscrew Vine

Aphids, control by encouraging beneficial predators like Lady bugs.

How to harvest Corkscrew Vine

Flowers can be cut during the 6 week flowering time. Seeds can be harvested from the seed pods once they are ripe. If in a frost prone area, harvest the seed pods while still green.

How to propagate Corkscrew Vine

Seed

Sow seeds in a sunny area in springtime, 7cm apart and cover with 1cm of light soil firmed down, keep the soil moist at all times while germinating.

Special features of Corkscrew Vine

Attracts useful insects

The plant grows white buds that produce nectar, which attracts ants, who then pollinate the flowers.

Attractive flowers

Highly fragrant, multicolored, corkscrew or spiral shaped flowers. The flowers are extremely wavy, immature blossoms very much resemble multicolored spirals or corkscrews.

Other uses of Corkscrew Vine

Grown mainly as crop plants for their leaves, pods and seeds.