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Annual Biennial

Brassica oleracea (Acephala Group) 'Oldenbor'

curly kale 'Oldenbor'

An annual, hardy curly kale with good-sized, tight green foliage, a good flavour and a long harvest period from September through until late February

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Brassicaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy, Clump forming
Genus

Brassicas can be annual, biennial or perennial plants, most are upright with alternate, often glaucous leaves, long taproots and clusters of cross-shaped, yellow or white flowers. The genus includes a number of species bred to produce food crops, such as cabbages, turnips, mustards and oilseed rape, as well as others grown for their ornamental value

Name status

Accepted

How to grow

Cultivation

Prefers well drained, loamy, alkaline soil. Water regularly in dry periods and add plenty of organic matter before planting. Harvest once they reach the size you want and formed a firm head. See kale cultivation for further advice

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Architectural
  • Flower borders and beds
  • Wall side borders
Pruning

No pruning required

Pests

May be susceptible to cabbage caterpillars, cabbage whitefly, aphids, flea beetles and slugs and snails

Diseases

May be susceptible to black rot, downy mildew, foot and root rot, grey mould, leaf spot and white blister

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