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Brunswick Cabbage Seeds – Heirloom Non-GMO, Cold-Hardy Green Cabbage for Fall and Winter Gardens

Heirloom - Non-GMO - Reliable Germination

$2.99 USD
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Size: 1 Packet

What Makes Survival Garden Seeds Different - non-GMO heirloom seeds

Grow a steady, high-yield crop of crisp, flavorful green cabbage with Brunswick Cabbage Seeds from Survival Garden Seeds. This classic heirloom, non-GMO variety produces dense, drumhead-style heads known for excellent cold tolerance, dependable yields, and long storage life—perfect for home gardeners and homesteaders who value self-sufficiency.

Why Gardeners Choose Brunswick:

  • Large, uniform heads: Expect firm, drum-shaped cabbages averaging 6–9 pounds each.
  • Sweet, mild flavor: Tender leaves ideal for coleslaw, soups, stir-fries, and traditional sauerkraut.
  • Cold-hardy performance: Thrives in cool weather and tolerates light frosts for extended harvest windows.
  • Long storage life: Dense heads keep well after harvest—ideal for winter storage or preservation.

How to Grow:
Start seeds indoors 6–8 weeks before the last frost, or direct sow outdoors when soil is workable. Transplant to full sun in fertile, well-draining soil (pH 6.0–7.0). Space plants 18–24 inches apart in rows 24–36 inches apart, water consistently, and mulch to conserve moisture. Expect maturity in about 90 days from transplant with steady, uniform head formation.

Cool-Weather Reliability:
Brunswick cabbage excels in spring and fall plantings, performing especially well in areas with cool nights. Its cold-hardiness and storage qualities make it a smart choice for gardeners planning for food preservation, canning, and year-round kitchen use.

Net Wt. 750MG

Heirloom Vegetable Seeds

All of our seeds are open-pollinated, non-GMO, heirloom varieties with tested germination rates

Specifications

  • Botanical Name
    Brassica oleracea var. capitata
  • Planting Zones
    5-9
  • Light
    Full Sun
  • Soil Temp for Germination
    75-85 Degrees F
  • Germination Time
    5-10 Days
  • Planting Depth
    1/4 Inch
  • Plant Size
    12-18 Inches Tall, 18-24 Inches Wide
  • Days to Harvest
    80-90 Days
  • Growing Instructions
    Sow cabbage seeds indoors 6-8 weeks before last frost date, keeping growing medium at 75 degrees F. until seeds germinate. 2-4 weeks before last frost date, transplant outside 18-24 inches apart. Cabbage thrives in cooler weather and may suffer from sun damage in hot temperatures.
  • Seed Saving Instructions
    To save cabbage seeds, allow at least 5 cabbages to flower. Collect seed pods once they are dry on the plant. Separate seeds from pod and allow to dry an extra two weeks. Store in a cool dry place for up to 5 years.
  • Seed Count (approximate)
    166 to 200

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Why Choose Survival Garden Seeds

At Survival Garden Seeds, we believe in preparing today for tomorrow’s peace of mind. That’s why we offer only heirloom, non-GMO, and untreated seeds you can trust to nourish your family and support a sustainable lifestyle. As a family-owned American company, we’re committed to providing seeds that grow strong and true—helping you cultivate health, resilience, and beauty in your garden.

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Frequently Asked Questions

What are heirloom seeds?

Heirloom seeds are the types of seeds your grandparents grew. These varieties have been passed down from generation to generation. They’re old reliable open-pollinated varieties that aren’t typically grown commercially. Instead, they have a rich history that predates modern breeding techniques.

You can learn more about open-pollinated, heirloom, and non-GMO seeds in our Survival Garden Training blog.

How do I know my seeds are fresh?

Every seed packet includes a "packed for" date, and we germination test each seed lot before packaging to ensure you receive viable, high-quality seeds that are ready to grow.

Are your seeds treated?

No, we do not pre-treat our farmer seeds. All of our garden seeds for sale are untreated, open-pollinated, non-GMO, and heirloom varieties. They are kept in temperature-controlled cooler storage until they are packed and shipped to keep them pest and disease-free.

In what zones can I grow your seeds?

The seeds in our collections are specifically chosen from varieties that can be successfully grown from Zone 3 to Zone 10 USDA Hardiness Zones. However, individual varieties have specific needs to thrive in different environments. Each seed pack has optimal temperatures for germination and instructions on seed starting. Consult local frost dates to plan your garden and get the most out of your seeds.

What is the shelf life of these gardening seeds?

Most seeds remain viable for 3 to 5 years or longer when stored properly. Check your seed packet for specific varieties. For best results, keep your seeds in a cool, dry place away from direct sunlight and moisture. Store them in an airtight container in a consistent temperature environment—a refrigerator or cool basement works well. Proper storage helps maintain germination rates and extends seed life well beyond the packed date.

Where are Survival Garden Seeds sourced?

The majority of our seeds are sourced in the United States, with a few exceptions when the seed is difficult to source domestically. Whenever we do have to source outside of the US, we ensure our seeds are safe to grow, non-GMO varieties that meet our standards for germination and reliability.