Brassicas
68-75days to harvest
5-10days to germinate
Z6–9USDA zones
Moderate to challengingdifficulty
F1 hybridContainer friendly

Sowing

Start indoors 4-6 weeks before last frost. For fall crop, start 10-12 weeks before first fall frost. Can succession plant every 2-3 weeks.

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
1.5 inches per week, consistent moisture crucial
Soil
Rich, moisture-retentive soil with high organic matter
Soil pH
6.0-7.0
Spacing
18-24 inches
Height
10-24 inches
Season
Cool season with heat tolerance

Appearance & flavour

Colour
Pure white
Size
6-8 inch diameter heads
Shape
Dense, compact, well-domed heads with fine texture
Flavour
Mild, sweet, and nutty with tender, fine-grained curds

In the kitchen

Roasting, steaming, mashing, ricing, grilling, fresh in salads, pickling

Pests, disease & resistance

Pests
Cabbage worms, aphids, flea beetles, cabbage root fly
Diseases
Black rot, clubroot, bacterial soft rot, downy mildew
Resistance
Good heat tolerance and resistance to downy mildew

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1April – MayJune – JulyJune – JulyAugust – September
2April – MayJune – JulyMay – JulyJuly – September
3March – AprilMay – JuneMay – JuneJuly – October
4March – AprilMay – JuneApril – JuneJuly – October
5February – MarchApril – MayApril – MayJune – November
6February – MarchApril – MayApril – MayJune – November
7February – MarchApril – MayMarch – MayMay – November
8January – FebruaryMarch – AprilMarch – AprilMay – December
9JanuaryFebruary – MarchFebruary – MarchApril – December
10JanuaryFebruary – MarchJanuary – MarchMarch – December
11JanuaryJanuary – FebruaryJanuary – FebruaryFebruary – December
12JanuaryJanuary – FebruaryJanuary – FebruaryFebruary – December
13JanuaryJanuary – FebruaryJanuary – FebruaryFebruary – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

DillAttracts beneficial insects like parasitic wasps that control cabbage worms
OnionsRepel cabbage maggots, aphids, and other brassica pests with their strong scent
MarigoldsDeter aphids, whiteflies, and other harmful insects while attracting beneficial predators
NasturtiumsAct as trap crop for aphids and flea beetles, drawing pests away from cauliflower
CeleryRepels cabbage worms and white cabbage butterfly with its strong aroma
SpinachProvides ground cover and has different nutrient needs, reducing competition
GarlicNatural fungicide properties help prevent clubroot and other soil-borne diseases
ChamomileImproves soil health and may enhance cauliflower flavor while attracting beneficial insects

Avoid

StrawberriesCompete for similar nutrients and may harbor pests that also attack brassicas
TomatoesBoth are heavy feeders competing for nutrients, and tomatoes may inhibit brassica growth
Pole BeansCan shade cauliflower and compete for space, while beans may stunt brassica development

Nutrition (per 100 g)

Protein (g)
1.64
Fat (g)
0.238
Carbohydrate (g)
4.72
Fibre (g)
1.95
Vitamin C (mg)
67.1
Folate (µg)
97
Calcium (mg)
20.4
Iron (mg)
0.334
Magnesium (mg)
14.2
Phosphorus (mg)
39.7
Potassium (mg)
274
Zinc (mg)
0.234

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the brassicas growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown White Hot Cauliflower?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other brassicas with a comparable time to harvest, so a season that suits White Hot Cauliflower suits these too.

Browse all 79 brassicas