Brassicas
55-75days to harvest
5-10days to germinate
Z6–9USDA zones
Easydifficulty
HeirloomContainer friendly

Sowing

Start indoors 6-8 weeks before last frost or direct sow in late summer for fall harvest. Transplant 2-4 weeks before last frost.

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
1 inch per week, consistent moisture
Soil
Rich, well-drained soil with high organic matter
Soil pH
6.0-7.5
Spacing
8-12 inches
Height
10-24 inches
Season
Cool season

Appearance & flavour

Colour
Blue-green with purple tinges in cold weather
Size
4-6 inches per leaf
Shape
Heavily curled and ruffled leaves, compact rosette
Flavour
Sweet and mild, becoming sweeter after frost exposure

In the kitchen

Salads (young leaves), sautéing, soups, smoothies, chips, braising

Pests, disease & resistance

Pests
Cabbage worms, aphids, flea beetles, cabbage loopers
Diseases
Clubroot, black rot, downy mildew
Resistance
Good cold tolerance, moderate disease resistance

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 – JuneJune – 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.

NasturtiumsActs as trap crop for aphids and cabbage worms, repels cucumber beetles
MarigoldsRepels cabbage moths, aphids, and other brassica pests with strong scent
DillAttracts beneficial wasps that parasitize cabbage worms and aphids
OnionsRepels cabbage root maggots, aphids, and flea beetles with sulfur compounds
GarlicNatural fungicide properties, repels cabbage loopers and root maggots
LettuceMakes efficient use of space as ground cover, doesn't compete for nutrients
CarrotsDeep taproot breaks up soil for shallow kale roots, different nutrient needs
ChamomileImproves flavor of brassicas and attracts beneficial insects

Avoid

TomatoesCompete for similar nutrients and may stunt kale growth
StrawberriesKale can inhibit strawberry growth and both attract similar pests
Pole BeansCan shade dwarf kale and compete for nitrogen despite bean's fixing ability

Nutrition (per 100 g)

Calories (per 100 g)
35
Protein (g)
2.92
Fat (g)
1.49
Carbohydrate (g)
4.42
Fibre (g)
4.1
Sugars (g)
0.99
Vitamin A (µg)
241
Vitamin C (mg)
93.4
Vitamin E (mg)
0.66
Vitamin K (µg)
390
Vitamin B6 (mg)
0.147
Folate (µg)
62
Calcium (mg)
254
Iron (mg)
1.6
Magnesium (mg)
33
Phosphorus (mg)
55
Potassium (mg)
348
Zinc (mg)
0.39
Selenium (µg)
0.9

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 Dwarf Blue Curled Kale?

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 Dwarf Blue Curled Kale suits these too.

Browse all 79 brassicas