Brassicas
42days to harvest
7-14 daysdays to germinate
Z5–9USDA zones
Easydifficulty
Heirloom

Sowing

Direct sow after last frost, or start indoors 4-6 weeks before last frost and transplant

Cultivation

Sun
Full sun to part shade
Water
High — consistent moisture needed
Soil
Well-drained loam, rich in organic matter, slightly acidic to neutral
Spacing
12-18 inches
Height
3 feet
Season
Warm season annual

Appearance & flavour

Colour
Green
Shape
Leafy with delicate buds on thin stems
Flavour
Mild, slightly sweet broccoli-like flavor with tender, delicate leaves and thin stems that avoid toughness when harvested young.

In the kitchen

Steaming, sautéing, roasting, braising, raw in salads, stir-fries

Pests, disease & resistance

Pests
Cabbage moths, flea beetles, aphids, harlequin bugs
Diseases
Clubroot, black rot, powdery mildew

Planting calendar by USDA zone

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

Companion planting

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

LettuceProvides ground cover and helps retain soil moisture while not competing for nutrients
SpinachSimilar growing requirements and harvest timing, efficient use of garden space
RadishesHelp break up soil and can be harvested before raab needs full space
OnionsRepel cabbage worms, aphids, and other brassica pests with their strong scent
GarlicNatural pest deterrent against flea beetles and aphids that commonly attack brassicas
ChivesRepel aphids and may improve flavor while taking up minimal space
DillAttracts beneficial insects like parasitic wasps that control cabbage worms
NasturtiumsAct as trap crop for aphids and flea beetles, drawing pests away from raab

Avoid

StrawberriesCompete for similar nutrients and may inhibit brassica growth through root competition
TomatoesMay stunt growth of brassicas through allelopathic compounds and compete for nutrients
Pole beansCan shade out the spring raab and compete for nitrogen during critical growth period

Nutrition (per 100 g)

Calories (per 100 g)
31
Protein (g)
2.57
Fat (g)
0.34
Carbohydrate (g)
6.27
Fibre (g)
2.4
Vitamin A (µg)
8
Vitamin C (mg)
91.3
Vitamin E (mg)
0.15
Vitamin K (µg)
102
Vitamin B6 (mg)
0.191
Folate (µg)
65
Calcium (mg)
46
Iron (mg)
0.69
Magnesium (mg)
21
Phosphorus (mg)
67
Potassium (mg)
303
Zinc (mg)
0.42
Selenium (µg)
1.6

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 Spring Raab?

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 Spring Raab suits these too.

Browse all 79 brassicas