Brassica oleracea gongylodes group 'Purple Vienna'

Kohl rabi

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Key information

Plant type


Flower colour




Skill level


photo by Thomas Alamy, copyright GAP Photos (236109)

Plant details

This odd-looking plant is a brassica (cabbage) relative, grown for its round swollen stem, which develops just above soil level and makes a crisp juicy vegetable, especially succulent when used raw in salads. The plants grow fast and are almost hardy, so that they can be grown under glass very early and late, giving a season of use from March to November. The stems are cut while still young and free from fibre - they do not stand long, so regular successional sowing every 4 weeks is advisable. Late crops can be stored like roots in boxes of sand.

Family: Brassicaceae

Genus: Brassica

Species: oleracea gongylodes group

Cultivar: Purple Vienna

Plant type: Vegetable

Flower colour: Yellow

Foliage colour: Mid-green

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy, Chalky/alkaline, Dry

Hardiness: Tender

Skill level: Experienced

Height: 30cm

Spread: 23cm

Time to plant seeds: April to August

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