How to Grow Kossak
Brassica oleracea var. gongylodes
Your complete guide to growing Kossak.
When to Plant Kossak
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| 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
Loosens soil for brassica roots and doesn't compete for same nutrients
Repels cabbage white butterflies and provides natural pest deterrent
Attracts beneficial insects like parasitic wasps that control cabbage worms and aphids
Benefits from shade provided by larger brassica leaves, efficient space use
Repels cabbage moths and other harmful insects with strong scent
Acts as trap crop for flea beetles and aphids, draws pests away from brassicas
Repels cabbage worms, aphids, and flea beetles with sulfur compounds
Grows well in partial shade of brassicas and doesn't compete for nutrients
✗ Keep away from
Can shade out brassicas and compete for nitrogen in soil
Competes for nutrients and can stunt brassica growth
Inhibits brassica growth and both plants compete for similar nutrients
Nutrition Facts
Per 100g serving (USDA FoodData Central)