Cabbage, “Copenhagen Market” Seeds
Heirloom.
Introduced by H. Hartman & Company in 1909, this Danish original has been a gardeners’ favorite for over a century and is the standard of excellence for many varieties that were developed after it. Quick-to-mature cabbage heads are 6″-8″ in diameter and 3-4 pounds, tightly wrapped, and perfect for small gardens. Adaptable to a range of climates. Resists splitting and stores up to 6 months.
1.5 grams packet contains ~360 seeds.
Days to Maturity: 65-80 days
Plant Vitals
When to Sow Outside: 4 to 6 weeks before your average last frost date for a summer crop, or 10 to 12 weeks before your average first fall frost date for a fall crop.
When to Start Inside: RECOMMENDED. 6 to 8 weeks before your average last frost date, transplanting 2 to 4 weeks before your average last frost date. For fall crop, 4 to 6 weeks before transplanting outdoors in summer. Ideal soil temperature for germination is 75°–85°F. Mild Climates: Sow in fall for a cool–season harvest.
Days to Emerge: 7 – 12 days
Seed Depth: ¼"
Seed Spacing: A group of 3 seeds every 18"– 24"
Row Spacing: 24"–36"
Thinning: When 3" tall, thin to 1 every 18"–24"
Harvesting: Harvest heads when they are well developed, firm, and solid when squeezed. Cut off heads at base with a sharp knife. Cabbages left in the ground beyond maturity are more subject to disease and splitting. Harvest in the morning if possible. If harvested in the heat, dunk in ice water to reduce "field heat" and increase storage time. Allow to drain before storing.