How to Grow and Care for Collard Greens: Master Guide

How to Grow And Care For Collard Greens
17 min reading time

Welcome to our comprehensive guide on how to grow and care for collard greens! Whether you’re a seasoned gardener or just starting out, we’re here to provide you with expert tips and step-by-step instructions to help you achieve a bountiful harvest of delicious collard greens. In this guide, we’ll cover everything on how to grow and care for collard greens, so let’s get started!

Key Takeaways:

  • Learn how to successfully grow and care for collard greens with our comprehensive guide.
  • Discover the best practices for cultivating collard greens from planting to harvest.
  • Understand the ideal growing conditions and how to troubleshoot common problems.
  • Get seasonal tips and guidance on how to adapt your care practices year-round.
  • Enjoy the nutritious and flavorful rewards of a thriving collard greens garden.

Understanding Collard Greens: An Introduction

Welcome to our comprehensive guide on how to grow and care for collard greens! Before we dive into the practical aspects, let’s start with an introduction to this leafy green vegetable. Collard greens, also known as collards, are a member of the Brassica family and related to other cruciferous vegetables such as broccoli and cauliflower. They are native to the Mediterranean region and have been cultivated for thousands of years.

Collard greens are appreciated for their mild and slightly bitter flavor, as well as their versatility in the kitchen. They can be enjoyed raw in salads, sautéed, or cooked in soups and stews. Collard greens are also a great source of vitamins and minerals, including vitamins A, C, and K, calcium, iron, and fiber.

There are several varieties of collard greens, each with their own unique characteristics. Common types include Georgia Southern, Morris Heading, Vates, and Champion.

Now that you have a better understanding of collard greens, let’s move on to the practical aspects of growing and caring for these delicious and nutritious vegetables.

How to Grow and Care for Collard Greens: Choosing the Right Location

Collard greens require the right growing conditions to thrive. Choosing the right location is essential for achieving a successful harvest. Here are our tips for choosing the perfect spot to plant your collard greens:

  • Full sun: Collard greens need plenty of sunlight to grow well. Choose a location that gets at least six hours of sunlight each day.
  • Well-draining soil: Collard greens prefer soil that drains well. Avoid areas with heavy clay or compacted soil that can cause drainage problems.
  • Moisture: Collard greens require consistent moisture to support healthy growth. Choose a location with access to water or plan to irrigate regularly.
  • Protection from wind: Strong winds can damage collard greens, so choose a location that is protected from high winds.
  • Climate: Collard greens are a cool-season crop and prefer temperatures between 60 to 65°F. Choose a location with a suitable climate that aligns with your desired planting season.

When selecting a location, it’s also important to consider the size of your crop and the amount of space required. Collard greens grow best when given enough space to spread out, so ensure you have enough room to plant them without overcrowding.

Choosing the Right Container

If you’re planning on how to grow collard greens in containers, choose a container that is at least 12 inches deep and has enough room for each plant to grow. A 20-gallon container can hold up to six plants, while a 10-gallon container is suitable for up to three plants.

Container SizeNumber of Plants
10 gallons3
20 gallons6

Choosing a location that meets these criteria will provide your collard greens with the ideal growing conditions they need to produce a bountiful harvest.

Preparing the Soil for Collard Greens

One of the most important factors in growing healthy collard greens is preparing the soil properly. Collard greens require nutrient-rich soil with good drainage in order to thrive.

Soil Testing

Before you begin planting your collard greens, it’s important to test your soil to determine its pH level and nutrient content. You can easily purchase a soil testing kit from your local garden center or nursery. The ideal pH level for collard greens is between 6.0 and 7.5. If your soil is too acidic, you can add lime to raise the pH level. If it’s too alkaline, you can add sulfur to lower the pH level.

Soil Amendments

If your soil is lacking in nutrients, you can amend it with organic matter such as compost or well-rotted manure. This will not only add valuable nutrients to the soil, but it will also improve its structure and water-retaining capacity. Be sure to work the organic matter into the soil to a depth of at least 6 inches.

Soil Structure

Collard greens require soil with good drainage, as they don’t like to be in waterlogged soil. To improve drainage, you can add sand or perlite to the soil. It’s also important to ensure that the soil is loose and friable so that the roots can easily penetrate it. If your soil is heavy clay, you can amend it with sand, perlite, or vermiculite to improve its structure.

By taking the time to prepare your soil properly, you’ll give your collard greens the best possible chance of success. With nutrient-rich, well-draining soil, your collard greens will be healthy, robust, and abundant.

Planting Collard Greens: From Seeds to Seedlings

How to Grow And Care For Collard Greens

Planting collard greens is a simple and rewarding process. You can choose to start your collard greens from seed indoors or directly sow them outdoors. Both methods require proper care and attention to ensure successful growth.

Starting Collard Greens Indoors

Starting collard greens indoors allows you to get a head start on the growing season and provides more control over the growing environment. Here’s how to do it:

  1. Select a container with drainage holes and fill it with seed-starting mix
  2. Plant one seed per container, at a depth of 1/4 inch
  3. Keep the soil moist and warm, at a temperature between 60-70°F
  4. Once seedlings emerge, provide them with plenty of light, by placing them near a sunny window or under artificial grow lights
  5. When seedlings have developed their second set of leaves, thin them out, keeping the strongest ones and removing the weaker ones

After 4-6 weeks, your collard green seedlings should be ready to transplant outdoors. Be sure to harden them off gradually, by exposing them to outdoor conditions for a few hours each day, before transplanting them into their final growing location.

Growing Collard Greens from Seed

If you choose to plant collard greens directly outdoors, follow these collard greens planting guide:

  1. Choose a location with full sun or partial shade, well-draining soil, and a pH level of 6.0-6.5
  2. Rake the soil to remove rocks and debris, and amend with organic matter if necessary
  3. Sow the seeds no deeper than 1/4 inch, and space them 18-24 inches apart
  4. Water the seeds gently but thoroughly, and keep the soil moist until the seeds germinate
  5. Thin the seedlings when they are a few inches tall, leaving 10-18 inches between plants

Whether you choose to start your collard greens from seed indoors or directly sow them outdoors, always keep the soil moist and well-drained to ensure proper growth. With the right care and attention, you’ll be able to enjoy a bountiful harvest of delicious and nutritious collard greens.

How to Care for Collard Greens

Caring for collard greens is a crucial step in ensuring a bountiful harvest of nutritious and flavorful leaves. Follow these collard greens care instructions and maintenance guide to promote healthy growth throughout the season.


Collard greens require consistent moisture to thrive. Aim to water them at least once a week, providing enough water to moisten the soil to a depth of 6-8 inches. Avoid overwatering, which can lead to root rot and other issues.


Collard greens benefit from regular fertilization to promote healthy growth and enhance their nutritional content. Apply a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium every 3-4 weeks. Alternatively, add compost or well-aged manure to the soil before planting.


Mulching around collard green plants helps to control weeds, conserve soil moisture, and regulate soil temperature. Apply a layer of organic mulch, such as straw or leaves, around the base of each plant. Be sure to keep the mulch a few inches away from the stems to prevent rot.

Pest Control

Collard greens are susceptible to a variety of pests, including aphids, flea beetles, and cabbage loopers. Monitor your plants regularly and take action at the first sign of infestation. Remove any affected leaves and use organic pest control methods, such as insecticidal soap or neem oil.


Thin collard greens plants to ensure proper spacing and promote healthy growth. Remove weaker or overcrowded seedlings, leaving about 18-24 inches between each plant.


Harvest collard greens when the leaves are large, firm, and dark green. Pick individual leaves from the outside of the plant or cut the entire plant at the base, leaving at least 2 inches of stem.

By following these collard greens care instructions and maintenance guide, you can enjoy a bountiful harvest of nutritious and flavorful leaves. Happy gardening!

Troubleshooting Common Collard Greens Issues

Collard greens are typically a hardy and disease-resistant plant, but they can still face various challenges during their growing season. Here are some common problems you may encounter while growing collard greens and tips on how to deal with them:

1. Pests

Collard greens may attract pests such as aphids, cabbage loopers, and flea beetles. To deal with these pests, you can try using natural remedies such as neem oil or insecticidal soap. You can also try planting companion plants such as marigolds, which naturally repel these pests.

2. Diseases

Collard greens may be susceptible to diseases such as downy mildew, clubroot, and black rot. To prevent these diseases, make sure to rotate the crops in your garden and avoid planting collard greens in the same spot year after year. You can also use disease-resistant varieties and avoid overwatering or overcrowding the plants.

3. Environmental Stressors

Collard greens may also face stressors such as extreme temperatures, drought, or excess moisture. To prevent these stressors, make sure to plant collard greens during the appropriate season and provide them with adequate water and drainage. You can also use mulch to regulate soil moisture and temperature.

By monitoring your collard greens regularly and taking action as soon as you notice any problems, you can ensure that your plants grow healthy and strong, and you can enjoy a bountiful harvest of this nutritious and delicious vegetable!

Harvesting Collard Greens: When and How

How to Grow And Care For Collard Greens

Timing is crucial when it comes to harvesting collard greens. The general rule of thumb is to wait until the leaves are large enough and have a vibrant green color. This typically takes about 60-75 days after planting.

It’s important to avoid waiting too long to harvest, as this can result in tough and bitter leaves. Also, make sure to pick the leaves regularly to encourage continued growth.

When harvesting collard greens, use a sharp knife or scissors to cut the leaves at the base of the stem. If you only need a few leaves, you can pick them individually from the bottom of the plant.

Remember to always harvest in the morning when the leaves are crisp and cool. If you wait until midday when the leaves are hot, they may wilt and become less flavorful.

Pro Tip: If you plan to store the collard greens, pick them in the early morning when the dew has dried. This will help keep them fresher for longer.

Storing and Using Collard Greens

Once you have harvested your collard greens, it’s important to store them correctly to maintain their freshness and nutritional value. Follow these tips to store your collard greens properly:

  • Remove any damaged leaves and wash the collard greens thoroughly.
  • Wrap the leaves tightly in a damp paper towel or cloth.
  • Place the wrapped collard greens in a plastic bag and seal it tightly.
  • Store the bag in the crisper drawer of your refrigerator.
  • Collard greens can last up to a week in the refrigerator.

Collard greens can be preserved in a variety of ways, including freezing, canning, and pickling. Freezing is the easiest and most popular way to preserve collard greens. Here’s how to freeze your collard greens:

  1. Blanch the collard greens by boiling them for 3-5 minutes and then immediately plunging them into ice water.
  2. Remove excess water and wrap tightly in plastic wrap or freezer bags.
  3. Label the bags with the date and freeze for up to 10 months.

Collard greens are a versatile ingredient in many recipes, and their hearty, slightly bitter flavor pairs well with a variety of other flavors. Here are some delicious ways to use collard greens:

  • Saute collard greens with garlic and olive oil for a simple and nutritious side dish.
  • Add chopped collard greens to soups or stews for an extra boost of vitamins and nutrients.
  • Chop and saute collard greens with onions and bacon for a savory breakfast dish.
  • Use collard green leaves as a wrap for sandwiches or tacos.

Seasonal Tips for Collard Greens

Collard greens can be grown in various seasons, but they have different requirements and face unique challenges in each season. Here are some seasonal tips and guidance on how to adapt your care practices to ensure successful collard greens growth throughout the year:


Spring is the best season to grow collard greens as they love cooler temperatures. Start planting your collard greens in early spring, about 2-4 weeks before the last frost date. Make sure to choose a location that gets plenty of sunlight and has well-draining, fertile soil. Add compost or well-rotted manure to the soil to improve its quality.

During the growing season, make sure to water your collard greens regularly, especially during dry spells. Provide them with a steady supply of nutrients by fertilizing them with a balanced fertilizer every 2-4 weeks. Keep an eye out for pests such as aphids and cabbage worms, and remove them using organic pesticides if necessary.


Collard greens can be grown in the summer, but they may struggle with the heat. To ensure successful growth, plant them in a shady area that receives morning sun and afternoon shade. Keep the soil moist by watering them regularly, preferably in the morning or evening to prevent evaporation.

Fertilize your collard greens every 3-4 weeks with a balanced fertilizer, and use mulch to help retain moisture in the soil. Watch out for pests such as flea beetles and loopers, and remove them using organic pesticides if necessary. Remember to harvest your collard greens regularly to promote continuous growth.


Fall is the perfect season to grow collard greens as they thrive in cooler temperatures. Plant them in late summer to early fall, about 6-8 weeks before the first frost date. Choose a location with well-draining, fertile soil that receives full sun or partial shade.

Water your collard greens regularly, especially during dry spells, and fertilize them with a balanced fertilizer every 3-4 weeks. Watch out for pests such as cabbage worms and aphids, and remove them using organic pesticides if necessary. As winter approaches, cover your collard greens with row covers or other protective materials to keep them warm.


Collard greens can survive the winter, but they grow slowly in cold temperatures. Plant them in late summer to early fall, about 8-10 weeks before the first frost date. Choose a location with fertile soil that receives full sun or partial shade.

Water your collard greens regularly, but make sure not to overwater them as the cold temperatures can cause root rot. Fertilize them every 4-6 weeks with a balanced fertilizer. Watch out for pests such as slugs and snails, and remove them manually or with organic pesticides. Harvest your collard greens regularly to promote growth.


Congratulations on reaching the end of our master guide on how to grow and care for collard greens! By now, you should have a good understanding of the basics of collard greens, including how to choose the right location, prepare the soil, plant the seeds, and care for your plants throughout the growing season.

We hope that our guide has been helpful in your journey to grow and enjoy this nutritious and flavorful vegetable. Remember to always keep an eye out for common issues that may arise during the cultivation process, such as pests and diseases, and troubleshoot accordingly.


How do I plant collard greens?

Collard greens can be planted by directly sowing seeds or by starting seedlings indoors. If sowing seeds, plant them about ¼ inch deep and 18-24 inches apart in well-prepared soil. For starting seedlings indoors, sow seeds in seed trays or pots and transplant the seedlings outdoors once they are 4-6 weeks old.

How often should I water my collard greens?

Collard greens require consistent moisture throughout their growing season. Water them deeply once or twice a week, ensuring the soil remains evenly moist but not waterlogged. Adjust watering frequency depending on weather conditions.

How can I prevent pests from attacking my collard greens?

To prevent pests, keep your collard greens healthy and pest-resistant by practicing proper care techniques. Avoid overcrowding, rotate crops, and use organic pest control methods such as companion planting, mechanical barriers, and natural repellents.

When is the best time to harvest collard greens?

Collard greens are ready to be harvested when the leaves are large, dark green, and tender. Generally, you can start harvesting outer leaves when they reach around 8-10 inches in length. Regular harvest encourages new growth and prolongs the harvest season.

Can I freeze collard greens?

Yes, you can freeze collard greens for later use. Blanch them in boiling water for 2-3 minutes, then transfer to an ice bath to cool. Drain and pack the greens into airtight containers or freezer bags, removing excess air. Store them in the freezer for up to 12 months.

How long do collard greens take to grow from seed?

Collard greens typically take around 50-90 days to reach maturity from seed, depending on the variety and growing conditions. Some varieties may be ready for harvest as early as 40 days, while others may take up to 100 days or more.

Can collard greens tolerate frost?

Yes, collard greens are cold-tolerant and can withstand light frosts, making them an excellent choice for fall and winter gardens. In fact, some gardeners believe that a light frost improves the flavor of collard greens.

How can I store fresh collard greens?

To store fresh collard greens, remove any damaged or yellow leaves, rinse them thoroughly, and pat them dry. Wrap the leaves loosely in a damp paper towel and place them in a perforated plastic bag or airtight container. Store them in the refrigerator for up to one week.

Can I grow collard greens in containers?

Yes, collard greens can be successfully grown in containers, provided the containers are large enough to accommodate their root system. Choose a deep container with drainage holes and fill it with well-draining potting mix. Place the container in a location with at least 6-8 hours of sunlight.

How do I know if my collard greens need fertilizer?

If your collard greens show slow growth, pale leaves, or signs of nutrient deficiency, they may benefit from fertilization. Conduct a soil test to determine the nutrient levels and apply a balanced fertilizer according to the test results and the specific needs of your plants.

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