Copenhagen cabbage seeds produce early-maturing, reliable, and uniform 3–5 lb. solid, round green heads, typically in 65–75 days. Ideal for small spaces, this heirloom is popular forcoleslaw and kraut, growing best in full sun and cool weather. Seeds should be sown 1/4 inch deep and spaced 24–36 inches apart.
Key Growing Information:
Days to Maturity: 65–75 days.
Planting Depth: 1/4 inch.
Spacing: 24–36 inches apart (or 45–60 cm).
Light: Full Sun.
Germination Time: 7–14 days.
Optimal Soil Temperature:
for germination.
When to Plant: Start seeds indoors 6-8 weeks before the last frost, or sow directly 4-6 weeks before the last frost for summer harvest.
Fall Crop: Sow in late summer for a fall harvest.
Harvesting: Cut at ground level when heads are firm and 6–8 inches in diameter.
Care: Keep consistently moist.