Growing Cabbage

Planting, Growing, and Harvesting Cabbage

 


Planting

When to Plant Cabbages

  • Start cabbage seeds indoors 6 to 8 weeks before the last spring frost in your area. Consult our Planting Calendar for suggested dates.
  • Transplant outdoors 2 to 3 weeks before the last expected frost date. If possible, plant on a cloudy day so that the seedlings aren’t subjected to intense sunlight right away.

Choosing and Preparing a Planting Site

  • To prepare soil, till in aged manure or compost.
  • Cabbages can be grown near beans and cucumbers. Check out our chart of plant companions for an expanded list of friends and foes. 
  • Because cabbage, broccoli, and cauliflower are closely related, and require similar nutrients, it’s best not to plant them together. They are all heavy feeders, depleting the soil faster of required nutrients; plus, they will attract the same pests and diseases. For cabbage, also avoid proximity to strawberries and tomatoes.

How to Plant Cabbage

  • Plant 12 to 24 inches apart in rows, depending on the size of head desired. The closer you plant, the smaller the cabbages.
  • Before planting the seedlings outdoors, harden off the plants over the course of a week.
 Cabbage patch

Care

How to Grow Cabbages

  • When seedlings reach about 5 inches tall, thin to make sure that they are still the desired length apart. (The plants you remove can be transplanted elsewhere in your garden.)
  • Mulch thickly around the area to retain moisture and regulate soil temperature.
  • Fertilize 3 weeks after transplanting with an all-purpose fertilizer.
  • Practice crop rotation with cabbages to avoid a buildup of soil-borne diseases.

Pests/Diseases

Some old folklore tells us: Scatter elder leaves over your cabbage to keep the bugs away.
Imported Cabbageworms: Dill protects all members of the cabbage family by attracting beneficial wasps that kill cabbageworms and other pests.
Aphids
Cabbage Root Maggots
Flea Beetles
Cutworms
Splitting 

 Cabbageworm damage
  • Harvest when heads reach desired size and are firm. This will take around 70 days for most green cabbage varieties. Most early varieties will produce 1- to 3-pound heads.
  • Cut each cabbage head at its base with a sharp knife. After harvesting, bring inside or put in shade immediately.
  • To get two crops from early cabbage plants, cut the cabbage head out of the plant, leaving the outer leaves and root in the garden. The plant will send up new heads—pinch them off until only four or so smaller heads remain. When these grow to tennis-ball size, they’ll be perfect for salad.
  • After harvesting, remove the entire stem and root system from the soil to prevent disease buildup. Only compost healthy plants; destroy those with maggot infestation.

How to Store Cabbages

  • Cabbage can be stored in the refrigerator for no more than two weeks, wrapped lightly in plastic. Make sure it is dry before storing. In proper root cellar conditions, cabbage will keep for up to 3 months. See our article on root cellars.
  • Follow this old-time technique to get the most out of your cabbage crop:
    1. In the fall, harvest the entire cabbage plant—stems, head, and roots—enjoying the head as usual and storing the roots in a root cellar through winter. 
    2. As soon as the ground has thawed in spring, plant the roots outdoors. 
    3. Soon, fresh sprouts will form, which can be eaten alone or added to soups, salads, or a dish of your choice.
    4. These replanted cabbages won’t produce full heads, but they should go to seed by the end of summer, providing next year’s round of cabbage seeds!
    • Note: This can also be done indoors on a windowsill in mid- to late winter; keep roots damp and sprouts should form.

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