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Brassica · Easy

How to Grow Kossak

Brassica oleracea var. gongylodes

Your complete guide to growing Kossak.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterRegular, consistent moisture
📅Harvest80 days
🗺Zones6–9
📏Height10-24 inches
Kossak📷 Wikipedia: Brassica oleracea

When to Plant Kossak

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 April – May June – July August – September
Zone 2 April – May May – July August – September
Zone 3 March – April May – June July – October
Zone 4 March – April April – June July – October
Zone 5 February – March April – May July – November
Zone 6 February – March April – May June – November
Zone 7 February – March March – May June – November
Zone 8 January – February March – April May – December
Zone 9 January February – March April – December
Zone 10 January January – March April – December
Zone 11 January January – February March – December
Zone 12 January January – February March – December
Zone 13 January January – February March – December

Companion Plants for Kossak

✓ Good companions

Carrots

Loosens soil for brassica roots and doesn't compete for same nutrients

Celery

Repels cabbage white butterflies and provides natural pest deterrent

Dill

Attracts beneficial insects like parasitic wasps that control cabbage worms and aphids

Lettuce

Benefits from shade provided by larger brassica leaves, efficient space use

Marigolds

Repels cabbage moths and other harmful insects with strong scent

Nasturtiums

Acts as trap crop for flea beetles and aphids, draws pests away from brassicas

Onions

Repels cabbage worms, aphids, and flea beetles with sulfur compounds

Spinach

Grows well in partial shade of brassicas and doesn't compete for nutrients

✗ Keep away from

Pole beans

Can shade out brassicas and compete for nitrogen in soil

Strawberries

Competes for nutrients and can stunt brassica growth

Tomatoes

Inhibits brassica growth and both plants compete for similar nutrients

Nutrition Facts

Per 100g serving (USDA FoodData Central)

31.0kcal
2.57gProtein
2.40gFiber
91.30mgVitamin C
0.69mgIron
Notes from the garden

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