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Brassica oleracea (Acephala Group) 'Redbor'
© Deeproot Plant Base
common name: Kale 'Redbor', Curly Kale, Borecole
synonyms: Brassica oleracea var. acephala 'Redbor'
moist soil, clay soil
preferred soil pH: neutral
minimum temp: -18°C
USDA zone: 7 to 10
Culinary vegetable, F1 hybrid, biennial but normally grown as an annual. Tall, open habit with very curly, dark mahogany to dusky deep purple leaves.
Moist, fertile, neutral or alkaline soil in full sun. Tolerant of poorer soils and conditions than most other Brassica vegetables. Very hardy.
Cropping is from late autumn through winter, into spring. Cut leaves as required.
Susceptible to clubroot disease.
From seed, sown in containers or directly, from March onwards. Late sowings can be made in July for over-wintering. Transplant container grown seedling to open ground in summer, spacing at about 45cm.
Edible leaves with a good flavour.
The attractive leaves also have ornamental value.