Green Cabbage

Brassica oleracea var. capitata 'Copenhagen Market'

vegetable

Copenhagen Market is a classic early green cabbage forming a solid, round, blue-green head about six to seven inches across with mild, crisp leaves good for slaws, kraut, and cooking. A dependable cool-season brassica, it matures in about 65 to 70 days from transplant and was bred to head uniformly on a compact plant that fits a home garden.

✅ Plant alongside

Good neighbors that attract beneficial insects or deter pests

• Dill — Attracts parasitic wasps and ladybugs that hunt cabbage pests
• Sweet Alyssum — Draws aphid-eating hoverflies
• Nasturtium — Trap crop for aphids and cabbage worms
• Thyme and Sage — Aromatic herbs said to deter the cabbage moth

❌ Keep away from

🛡️ Pest & disease prevention

Proactive ways to stop trouble before it starts — tap a name with an arrow for its full guide

• Imported cabbage worm →

  Float row cover from transplanting to exclude the white butterfly; hand-pick caterpillars; apply Bt

• Cabbage aphids →

  Encourage hoverflies and ladybugs with flowers; rinse colonies; remove heavily infested leaves

• Head splitting →

  Keep moisture even and harvest promptly when heads firm up

🌾 Harvest & storage

Cut the head at the base once it is firm and solid to hand pressure and has reached full size, before it cracks. Harvest promptly in warm weather, since mature heads left in the ground split after rain; cabbage stores for weeks in cold, humid conditions.

🥗 Nutrition & benefits

Cabbage is low in calories and high in vitamins C and K, supplying fiber, folate, and potassium, along with the glucosinolate compounds common to cruciferous vegetables that are studied for their health benefits.