Germination temperature: 45 F to 85 F
- Will germinate at soil temperatures as low as 40 F.
Days to emergence: 4 to 7
Seed can be saved 4 years.
Direct seed about three months before expected fall frost. Plant seeds
¼ to ½ inch deep, 1 inch apart in rows 18 to 30 inches apart. Thin to
12- to 18-inch spacings. Eat or transplant thinnings.
spring crops, start plants inside about 8 weeks before the last frost,
and transplant when they are about 6 weeks old. Set transplants 12
inches apart, rows 18 to 24 inches apart.
Plant direct-seeded crops 1/2 inch deep and 3 inches apart 3 weeks before last frost. Thin to 12 to 18 inches apart.
Mulch overwintering plants.
don't seem to be as troubled by pests as most other cole crops. Use
floating row covers to help protect from early insect infestations.
To help reduce disease, do not plant collards or other cole crops in the same location more than once every three or four years.