Brassica oleracea (Botrytis Group) 'Veronica'

RHS Plant Profile

cauliflower 'Veronica'

Michael John Day

Annual Biennial

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A half-hardy biennial usually grown as an annual vegetable. This F1 hybrid Romanesco-type cauliflower has large, deep green leaves and an edible head of pointed, lime-green florets densely arranged in whorls. Can be harvested from midsummer into autumn depending on sowing time

Position

Full sun

Soil Types

Chalk, Clay, Loam

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 Clay Loam

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

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Exposed or 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): H3

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Brassicaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
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 fertile soil enriched with lots of organic matter, and firm in well when transplanting. See cauliflower cultivation for further advice

Propagation

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

Pruning

To harvest, cut the whole plant off at the base while the heads are firm

Pests

May be susceptible to mealy cabbage aphids, cabbage whitefly, cabbage root fly and cabbage caterpillars; birds can damage seedlings and young leaves

Diseases

May be susceptible to club root