Brassica oleracea (Capitata Group) 'Stonehead'

RHS Plant Profile

cabbage 'Stonehead'

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A mid-season cabbage forming medium-sized, round heads of densely packed leaves in autumn. The plants are compact and can be planted at 30cm intervals, making it a good choice where space is limited

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1 year
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: East–facing or South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H2

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Brassicaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Tufted
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

Harden plants off before planting out from April onwards. Cabbages prefer a firm soil and the transplants should be planted with the lower leaves just above the soil. See 'growing cabbages' in vegetable cultivation for further information

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types

Cottage and informal garden

Pruning

No pruning required

Pests

May be susceptible to slugs, snails, cabbage whitefly, cabbage caterpillars, cabbage root fly and pigeons

Diseases

May be susceptible to downy mildews, powdery mildews and club root