How to Grow Red Cabbage: A Gardenary Guide to Growing Red Cabbage and Harvesting a Thriving Crop

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Red cabbage is a versatile and nutritious vegetable that can thrive in gardens of all sizes. Whether you're an experienced gardener or a beginner looking to grow your own food, red cabbage offers a vibrant and delicious option. In this guide, I will walk you through everything you need to know about growing red cabbage, from choosing the right variety to planting, maintaining, and ultimately harvesting a bountiful crop. With a little care and attention, you'll be able to enjoy the crisp, colorful leaves of your very own homegrown cabbage. Let's dive into the essential steps for cultivating a thriving red cabbage garden.
What is Red Cabbage?
Red cabbage, scientifically known as Brassica oleracea var. capitata, is a type of cabbage that is known for its, you’ve guessed it, deep purple-red leaves. It is a cool-season vegetable that belongs to the brassica family, which includes broccoli, kale, and cauliflower. Red cabbage is rich in vitamins, particularly vitamin C, potassium, and antioxidants. It is often used in a variety of dishes, from salads to sauerkraut, and is prized for its crunchy texture and slightly peppery flavor.
Best Red Cabbage Types
While there are several varieties of red cabbage, here are a few notable ones:
Red Express

This smaller variety is known for its early maturity, typically reaching harvest in just 50-60 days. It's an excellent choice for gardeners working with a short growing season or those looking to get a quick harvest. The heads of Red Express are compact, with vibrant red to purple skin, making it both an aesthetic and practical choice for small gardens. It thrives in cool weather, offering a reliable option for early-season planting.
Ruby Perfection

Link: https://commons.wikimedia.org/wiki/File:Brassica_oleracea_Ruby_Perfection_kz1.jpg
A larger, late-season variety that grows to full maturity in 80-90 days. Ruby Perfection is prized for its deep, rich color and firm, crisp texture, making it ideal for long-term storage and preservation. The heads of this cabbage are dense and tightly packed, with a beautiful purple hue, making it a favorite for both culinary use and as a decorative crop. It performs well in both fall and winter harvests, holding up through cooler temperatures and offering excellent flavor after curing.
Early Red Acre
This compact cabbage variety is perfect for gardeners with limited space or those growing in raised beds or containers. Early Red Acre matures quickly, usually within 60-70 days, producing small to medium-sized heads with a deep red color. Its early harvest time and compact growth make it an ideal choice for those looking to grow cabbage in smaller gardens or areas with a shorter growing season. It also offers a mild flavor and crunchy texture, perfect for fresh salads or quick cooking.
Steps for Planting Red Cabbage

Whether you're planting from seeds or seedlings, the process for growing red cabbage is quite similar with very small differences. Here's a beginner-friendly guide for both:
Planting from Seeds
- Prepare Seed Trays: Fill seed trays or small pots with seed-starting mix.
- Sow the Seeds: Plant the seeds about 1/4 inch deep. Space them about 1 inch apart in the tray.
- Provide Light: Keep the seeds in a bright location. Red cabbage needs light to germinate, so place them near a sunny window or under grow lights.
- Maintain Temperature: Keep the seeds in a warm environment, between 70°F and 80°F, until they germinate.
- Thin the Seedlings: Once the seedlings have sprouted and developed a few leaves, thin them so that the strongest plants remain, with about 2-3 inches between each plant.
Planting from Seedlings
- Prepare the Soil: Ensure your garden bed is well-drained and amended with compost.
- Spacing: Space your seedlings 12-18 inches apart to allow room for the cabbage heads to grow.
- Planting Depth: Plant the seedlings at the same depth as they were in the seed tray.
- Watering: After planting, water the seedlings thoroughly to help them establish roots.
Red Cabbage Growing Requirements

Red cabbage requires certain conditions to thrive. Here are the key growing requirements:
Soil
Red cabbage thrives in loamy, well-draining soil that is rich in organic matter. Prior to planting, it’s essential to amend the soil with compost or well-rotted manure to improve its fertility and drainage. The soil should have a pH level between 6.0 and 6.8, which is slightly acidic to neutral. For optimal results, ensure that the soil remains loose to promote proper root development.
Water
Consistent moisture is crucial for red cabbage. Water deeply to encourage strong root growth but avoid letting the soil become soggy. Cabbage roots are susceptible to rot in waterlogged conditions, so it’s important to maintain a balance—keep the soil evenly moist, especially during dry spells. Using mulch can help retain moisture and regulate soil temperature.
Temperature
Red cabbage thrives in cool temperatures, ideally between 55°F and 75°F. It can tolerate light frost, which can even improve its flavor, but prolonged exposure to extreme cold or heat can harm the plant. Cold temperatures can cause the cabbage to bolt, or flower prematurely, while high temperatures may lead to poor head formation.
Humidity
Moderate humidity levels are ideal for red cabbage. Excess moisture in the air can promote the development of fungal diseases like powdery mildew. Ensure there’s good air circulation around the plants to prevent this. If growing in a greenhouse or indoors, make sure the humidity is controlled to avoid excessive moisture buildup.
Sunlight
Red cabbage needs full sun, or at least 6 hours of direct sunlight per day, to grow strong and healthy. The leaves will not develop properly in shaded conditions, and the plant may become leggy. It’s important to provide the plants with adequate light to support robust growth and head formation.Location:For optimal growth, red cabbage should be planted in a sunny spot where it can receive full sunlight for at least 6 hours a day. The best locations are those that are exposed to direct sunlight throughout most of the day. A south-facing garden bed is ideal, as it typically receives the most sunlight, especially during the morning and early afternoon. Avoid planting in areas with heavy shade, as this will hinder growth and affect the cabbage's ability to form strong heads. Additionally, ensure that the chosen spot is free from tall structures or large trees that could block sunlight during the growing season.
Maintenance Tips for Red Cabbage

Proper maintenance is essential for a successful red cabbage harvest. Here are some tips for keeping your plants healthy:
Fertilization
Red cabbage is a heavy feeder, meaning it requires a lot of nutrients to grow strong and produce large, healthy heads. To ensure optimal growth, apply a balanced fertilizer (such as a 10-10-10 or 14-14-14 NPK) or well-rotted compost every 4-6 weeks throughout the growing season. This helps provide essential nutrients like nitrogen, phosphorus, and potassium. If you’re growing red cabbage in raised beds, the soil may lack the depth and organic material of traditional garden soil, so it’s especially important to amend the soil with compost or organic matter to keep the nutrient levels high. Over-fertilizing should be avoided, as it can cause excess leaf growth at the expense of the cabbage heads.
Pruning
Red cabbage plants benefit from regular pruning to maintain their health and promote vigorous growth. Start by removing any damaged or yellowing leaves, as these can attract pests and diseases. Pruning also improves airflow around the plant, which reduces the risk of fungal infections. If the plant has excessive lower leaves or old foliage, removing these helps direct more energy into the development of the cabbage heads. Make sure to use clean, sharp tools to avoid spreading any disease. In some cases, trimming off the older, less productive leaves can make it easier for sunlight to reach the inner parts of the plant, promoting better overall growth.
Mulching
Applying a 2-3 inch layer of mulch around the base of red cabbage helps retain soil moisture, which is crucial during dry spells. Mulch also helps regulate soil temperature, keeping the roots cool in hot weather and insulating them from freezing in the cold. Additionally, mulch serves as a natural weed suppressant, preventing unwanted growth around the cabbage plants that could compete for nutrients and water. Organic mulches, such as straw, grass clippings, or shredded leaves, are ideal as they break down over time and enrich the soil. Be cautious not to pile mulch directly against the stems of the plant, as this can lead to rot.
Potting and Repotting
For container gardening, red cabbage needs a pot that is at least 12 inches deep and wide to accommodate its roots and allow for proper growth. A larger container with drainage holes is essential to prevent waterlogging, which can lead to root rot. Use a well-draining, nutrient-rich potting mix, and ensure the pot is in a location that receives at least 6 hours of sunlight per day. If the cabbage outgrows its container, repotting is necessary. Carefully remove the plant from the pot, tease out the roots, and move it to a slightly larger container to allow more space for growth. Repotting should ideally be done early in the growing season before the plant becomes too large.
Overwintering
Red cabbage is somewhat cold-tolerant, but if you live in an area with harsh winters, you may need to take extra steps to help the plants survive. In regions with mild winters, you can overwinter red cabbage by covering it with row covers or a thick layer of mulch. This provides some insulation and protects the plant from frost while still allowing it to continue growing slowly. If you live in a colder climate, it's best to harvest the cabbage before the first frost hits, as frost can damage the leaves and reduce the quality of the heads. If the cabbage is left in the garden, ensure it's harvested and stored in a cool, dry place.
Common Pests and Diseases

While red cabbage is a relatively resilient plant, it can be affected by various pests and diseases. Here are some common problems and how to manage them:
- Cabbage Worms: These pests are the larvae of cabbage moths and can quickly defoliate your cabbage. Prevent them by using row covers, or hand-pick the worms off your plants. Neem oil can also help deter them.
- Aphids: Small, soft-bodied insects that suck sap from the cabbage leaves. Use a strong stream of water to wash aphids off the plants, or apply insecticidal soap.
- Cabbage Root Fly: The larvae of this fly attack the cabbage's roots, leading to wilting and stunted growth. Prevent root fly damage by using floating row covers early in the season.
- Downy Mildew: A fungal disease that causes yellowing and distortion of leaves. Prevent this by ensuring good air circulation and avoiding overhead watering.
- Clubroot: A soil-borne disease that causes roots to swell and distort. Avoid planting cabbage in areas where this disease has previously been found.
How to Harvest Red Cabbage

Red cabbage typically takes 80-100 days to reach maturity. To harvest, follow these steps:
- Check for Firmness: Gently squeeze the cabbage head. It should feel firm and solid.
- Look for Color: The cabbage should have a deep purple-red color when it's ready.
- Timing: Harvest before the first frost, as frost can damage the cabbage heads. If you live in a mild climate, you can harvest later into the fall.
- Cutting: Use a sharp knife to cut the cabbage head off the stalk, leaving a few outer leaves intact. This helps protect the cabbage during storage.
Frequently Asked Questions
1. What is the best way to grow red cabbage?
Red cabbage is easy to grow, especially when started in well-prepared garden soil or raised beds. To grow red cabbage, sow the seeds indoors around 6-8 weeks before the last expected frost. When the seedlings are ready, transplant them into your garden. Make sure the soil is rich, well-draining, and pH-balanced (6.0 to 7.0). Red cabbage thrives in cool season temperatures between 55°F to 75°F, so planting in early spring or late summer is ideal.
2. How long does it take to grow red cabbage?
Red cabbage typically takes 80-100 days to grow from sowing to harvest, depending on the variety and growing conditions. It’s important to maintain consistent moisture and sunlight to support healthy plant growth.
3. When is red cabbage ready to harvest?
Red cabbage is ready to harvest when the head feels firm to the touch. Check the cabbage head by gently squeezing it; if it’s tight and solid, it’s time to harvest. This usually occurs around 80 to 100 days after sowing, depending on the growing conditions and variety. Harvesting should be done before the first frost, as red cabbage can become damaged by cold weather.
4. How do I preserve red cabbage after harvesting?
To preserve red cabbage, you can store it in the fridge for a few weeks or use methods like pickling, fermenting, or freezing. When freezing, blanch the cabbage first by dipping it in boiling water for 2-3 minutes, then cooling it in ice water before storing it in airtight containers.