Brassica oleracea (Gemmifera Group) 'Crispus'

RHS Plant Profile

Brussels sprout 'Crispus'

Michael John Day

Annual Biennial

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A Brussels sprout cultivar producing crops of smooth, dark green, sweet and crunchy buttons that remain in good condition on tall, sturdy stalks for several weeks from autumn into winter; this cultivar is resistant to clubroot

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained or 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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

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

Grow in a fertile, well drained soil in full sun and protected from strong winds. See Grow-your-own Brussels sprouts for further information

Propagation

Propagate by seed. See sowing vegetable seeds or sowing seeds indoors

Pruning

No pruning required

Pests

May be susceptible to cabbage root fly, caterpillars, cabbage whitefly and mealy cabbage aphid

Diseases

May be susceptible to downy mildews and powdery mildews