Harvest terminal head while florets are still tight and of good green color. Smaller side heads will develop. Store in perforated plastic bags for up to one week in the refrigerator. Freeze any surplus. Best quality will be found in shoots that are harvested during cool weather.
Sprouts can stand several moderate freezes.
Harvest all sprouts prior to the first severe freeze and store in the refrigerator in perforated bags for up to 3 weeks. Freeze any surplus. Harvest when heads are solid. Remove loose outer leaves. Store cabbage in refrigerator, cold cellar or outdoor pit in plastic bags for up to 2 months.