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Gladius — Brassicas | DarkGrow Seed Bank

Name: Gladius
Brand: DarkGrow Seed Bank

98days to harvest

7-10 daysdays to germinate

Z6–9USDA zones

Easydifficulty

F1 hybrid

Sowing

Start indoors 4-6 weeks before transplant date, or direct sow 8-10 weeks before first frost; transplant when seedlings reach 4-6 inches tall

Cultivation

Sun: Full sun to partial shade (4-6+ hours)
Water: Regular, consistent moisture (1.5-2 inches weekly); intolerant of drought
Soil: Well-drained loam rich in organic matter, slightly acidic to neutral (pH 6.0-7.5)
Spacing: 18-24 inches
Height: 10-24 inches
Season: Warm season annual

Appearance & flavour

Colour: Blue-green
Shape: Round, compact sprouts
Flavour: Classic Brussels sprout flavor with slight sweetness and mild cabbage undertones; nutty when roasted; sweetened further by frost exposure

In the kitchen

Roasting, steaming, sautéing, fermenting, freezing

Pests, disease & resistance

Pests: Cabbage worms, flea beetles, aphids
Diseases: Clubroot, powdery mildew, downy mildew

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
1	April – May	June – July	June – July	September
2	April – May	June – July	May – July	August – September
3	March – April	May – June	May – June	August – October
4	March – April	May – June	April – June	August – October
5	February – March	April – May	April – May	July – November
6	February – March	April – May	April – May	July – November
7	February – March	April – May	March – May	June – November
8	January – February	March – April	March – April	June – December
9	January	February – March	February – March	May – December
10	January	February – March	January – March	April – December
11	January	January – February	January – February	March – December
12	January	January – February	January – February	March – December
13	January	January – February	January – February	March – December

Companion planting

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

NasturtiumActs as trap crop for flea beetles and aphids, protecting brassicas

MarigoldRepels cabbage worms, aphids, and other brassica pests with strong scent

DillAttracts beneficial wasps that parasitize cabbage worms and aphids

OnionsRepel cabbage root flies and aphids with sulfur compounds

LettuceProvides ground cover and efficient space use without competing for nutrients

SpinachCompatible growth habits and helps maximize garden space efficiently

CarrotsDifferent root depths prevent competition and carrots loosen soil for brassicas

CeleryRepels cabbage white butterflies and other brassica pests naturally

Avoid

TomatoesCompete for similar nutrients and may stunt brassica growth

StrawberriesBrassicas can inhibit strawberry growth and fruit production

Pole BeansCan shade brassicas excessively and compete for root space

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

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Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

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.

Gladius

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Gladius?

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