How to Grow Kale: The Complete Guide From Planting to Harvest

Updated: 13 May 2024


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What is Kale

Kale is a member of the Brassica family. It is a cool-season crop known for its hardy leaves and rich nutritional profile. It’s a descendant of wild cabbage and a relative of broccoli and Brussels sprouts. Kale comes in a variety of shapes, sizes, and colors. Its leaves can be curly or flat and range from deep green to purple hues.

Nothing matches its versatility in the kitchen. You can sauté it, blend it into smoothies, or massage it into salads. But before it reaches your plate, it starts as a humble seed in the soil. Understanding this plant’s journey from seed to harvest is critical to enjoying its bounty.

Growing kale picture
Growing kale picture

Introduction to Growing Kale

Embarking on the journey of growing kale begins with grasping the basics. Kale is a cruciferous vegetable. It thrives in cooler temperatures, perfect for spring and fall gardens. Its frost tolerance extends its growing season and can sweeten its leaves.

As a biennial plant, kale grows vegetative leaves in the first year and blooms in the second. Most gardeners grow kale as an annual. They harvest it within one growing season for its leaves.

Growing kale
Growing kale

Benefits of Growing Kale

The benefits of growing kale are manifold.

It’s a nutrient-dense food, rich in vitamins A, C, and K and minerals like calcium and iron.

It’s the most nutritious, and you can pick it fresh from the garden. It’s also economical, as a single plant yields a plentiful harvest over an extended period.

Growing your kale lets you control the growing conditions. You can avoid the harmful pesticides and fertilizers used in some commercial farming.

Understanding Kale Varieties

Before you plant your first kale seed, learn the different types available. ‘Curly kale’ is the most recognized, with ruffled edges and a robust flavor. ‘Lacinato kale,’ also known as ‘dinosaur kale,’ has long, bumpy leaves and a slightly sweeter taste.

Red Russian kale has flat, fringed leaves. It has a red-purple tinge and a mild, almost sweet flavour. Each type has unique traits and growth habits, so pick one that suits your taste and climate.

Choosing the Right Location for Your Kale Garden

Kale prefers a sunny spot, although it can tolerate partial shade. The best spot gets 6 hours of sunlight each day. This is crucial for the plant’s growth. Good air circulation is also essential to prevent fungal diseases.

When selecting a spot for your kale garden, consider its accessibility. You’ll want to visit your plants often for watering, weeding, and harvesting. So, a handy location is critical.

Preparing the Soil for Growing Kale

Soil preparation is vital for growing healthy kale plants. Kale thrives in well-drained, fertile soil with a pH between 6.0 and 7.0. Start by removing any weeds or debris from the planting area. Next, enrich the soil with plenty of organic matter, such as compost or well-rotted manure.

This improves soil structure, provides essential nutrients, and encourages strong root development. Finally, ensure the soil is loose and aerated for easy root growth.

Kale Planting Seeds or Seedlings

You can start planting the kale from seeds or seedlings. If you are sowing seeds directly into the garden, plant them 1/4 inch deep. Space them 12 to 18 inches apart. For seedlings, remove them gently from their containers.

Set them at the same depth they were at before. Water your new plants well after planting. This will settle the soil around the roots and give them needed water.

Planting kale seeds
Planting kale seeds

Caring for Your Kale Plants

Caring for kale involves several vital practices. Regular watering is essential, especially during dry spells. Aim for about an inch of weekly water from rainfall or supplemental watering. Mulching around the plants can help retain soil moisture and suppress weeds.

Fertilize kale with a balanced organic fertilizer to encourage growth. Additionally, watch for pests and manage them promptly to prevent plant damage.

Common Pests and Diseases in Kale

Kale, like all plants, is susceptible to pests and diseases. Aphids, cabbage loopers, and flea beetles are common insects that can affect kale. You can control them organically. You can do this by handpicking or using row covers or insecticidal soap.

These diseases include downy mildew and black rot. They can also occur. Wet conditions or poor air flow often make them worse. Practice crop rotation and proper spacing to minimize these issues.

Pests and Diseases
Pests and Diseases

Harvesting and Storing Kale

Harvesting kale at the right time ensures the best flavor and texture. Young leaves, like the outer leaves, can be picked from mature plants when they’re about the size of your hand. This lets the center keep producing.

Kale is best used fresh but can be stored in the refrigerator for about a week. For more extended storage, blanch and freeze kale. This preserves its nutrients for later.

Harvesting kale
Harvesting kale

Growing Kale in Pots: Tips and Tricks

Growing kale in pots is a viable option for those with limited space. Choose a container at least 12 inches deep with drainage holes. Use a good potting mix. Also, make sure your potted kale gets enough sunlight and water.

Potted kale may need more water than garden-grown plants. Containers can dry out fast. With the proper care, potted kale can be just as productive as its garden counterparts.

Growing kale in pots
Growing kale in pots

Frequently Asked Questions About How to Grow Kale

When learning how to grow kale, questions inevitably arise. How often should I water my kale? Can kale survive frost? What’s the best way to deal with pests organically? I’ll answer these common questions. My answers will be clear and short. They will help you navigate the challenges of growing this healthy vegetable.


Cultivating kale can be a delightful and fruitful venture. This step-by-step guide provides the guidance you need. With it, you’re ready to start your kale garden. You know how to grow kale well. You must select a suitable variety and understand the details of care and harvesting.

Remember, gardening is a learning experience. So, be patient with yourself and your plants. Enjoy the process. Savor the joy that comes from growing your kale from seed to plate.



Hi, I am Sikandar Mehdi, founder of I have been a professional farmer for 20 years. After graduating in 2002, I started learning about vegetables. After a lot of experience, in 2023, I started sharing my blog on my platform,

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