How To Grow Kale in Australia

Quick Guide: Growing Kale

  • Optimal Growing Temperatures: Between 8°C and 30°C.
  • Ready to Harvest: 7-10 weeks after planting.
  • Space Between Plants: Plant 50-100 cm apart.
  • Companion Plants: Beans, Beets, Celery
  • Non-Companion Plants: Beans, Tomato, Peppers
  • Plant Type: Seed.

When to Plant Kale in Australia

Australia Map


Best planting months for Kale in the Tropical regions are April to July. This includes areas like Cairns, Darwin, and Broome.

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For the Subtropical region, kale can be planted from March to July. Cities in the Subtropical region include Brisbane, Central Coast, and Sydney.

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Kale can be planted from January to April and August to December in the Temperate regions of Australia. Cities in the Temperate region include Melbourne, Adelaide, Geelong, and Perth.

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For the Cool region, kale can be planted from January to March and August to December. Cities in the Cool region include alpine regions of Victoria and Tasmania.

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Best planting months for kale in the Arid region is March to Julyt.

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Choosing the Right Variety of Kale

When it comes to growing kale in Australia, selecting the right variety is essential for a successful harvest. Different kale varieties thrive in various climates and offer unique flavours and textures. In this section, we will explore some popular kale varieties in Australia and discuss the importance of considering climate and season.

  1. Curly Kale: Curly kale, also known as Scots kale, is one of the most common and recognisable varieties. It features tightly curled leaves and has a slightly bitter taste. Curly kale is versatile and can be used in a variety of dishes, such as salads, soups, and stir-fries.
  2. Tuscan Kale: Also known as Lacinato kale or dinosaur kale, Tuscan kale has long, dark green leaves with a bumpy texture. It has a more robust flavour compared to curly kale and holds up well in cooking. Tuscan kale is often used in Italian dishes, such as soups, stews, and pasta dishes.
  3. Red Russian Kale: Red Russian kale features flat, fringed leaves with a purple-red hue. This variety has a milder and sweeter taste compared to other kale varieties. Red Russian kale is excellent for raw preparations, such as salads and smoothies, as well as lightly cooked dishes.
  4. Siberian Kale: Siberian kale is a hardy variety that can withstand colder temperatures. It has curly, blue-green leaves and a slightly sweeter flavour compared to other kale varieties. Siberian kale is perfect for winter gardening and can be used in a variety of recipes, including soups, stews, and sautés.

Considering Climate and Season

When choosing a kale variety, it's important to consider your local climate and the season in which you plan to grow kale. Kale is a cool-season crop that thrives in temperatures between 45°F (7°C) and 75°F (24°C). It can tolerate light frosts, making it suitable for growing in various regions of Australia.

In cooler regions, such as Victoria and Tasmania, you can grow kale throughout the year, with the main growing season occurring from spring to autumn. In warmer regions, such as Queensland and Northern Territory, kale can be grown during the cooler months, typically from autumn to spring.

To determine the best time to plant kale, refer to your local climate and frost dates. Sow seeds or plant seedlings when the soil temperature reaches around 50°F (10°C). For more information on planting and growing specific vegetables, check out our A-Z Grow Guides, such as how to grow cauliflower in Australia and how to grow mustard greens in Australia.

By selecting the right variety of kale and considering your local climate and season, you can ensure a bountiful harvest of delicious and nutritious kale leaves. Experiment with different varieties to find the ones that suit your taste preferences and growing conditions. Happy gardening!

Basic Steps for Growing Kale

Growing kale in Australia can be a rewarding experience, as this leafy green vegetable is known for its nutritional value and versatility in cooking. To successfully grow kale at home, follow these basic steps:

Preparing the Soil

Before planting kale, it's important to prepare the soil properly. Kale thrives in well-draining soil rich in organic matter. Start by removing any weeds or debris from the planting area. Loosen the soil using a garden fork or tiller, ensuring that it is crumbly and not compacted. Incorporate compost or well-rotted manure into the soil to improve its fertility and moisture retention. Aim for a slightly acidic to neutral pH level of around 6.0 to 7.5.

Planting Kale Seeds or Seedlings

Kale can be grown from seeds or purchased as seedlings from a nursery. If starting from seeds, sow them directly into the prepared soil. Plant the seeds about half an inch deep and space them around 12 to 18 inches apart to allow room for the mature plants to grow. Ensure the soil is kept consistently moist during the germination period, which usually takes 7 to 14 days.

If using seedlings, dig holes in the prepared soil that are slightly larger than the root ball of the seedlings. Gently remove the seedlings from their containers and place them in the holes. Fill the gaps with soil and firm it gently around the base of the seedlings. Water the newly planted seedlings thoroughly.

Watering and Fertilizing

Kale plants require regular watering to keep the soil consistently moist but not waterlogged. Water deeply, ensuring that the water reaches the roots. Avoid overhead watering, as wet foliage can increase the risk of disease. During hot and dry periods, you may need to water more frequently to prevent the plants from drying out.

Fertilising kale can help promote healthy growth and productivity. Apply a balanced organic fertiliser or compost once a month throughout the growing season. Follow the instructions on the fertiliser package for proper application rates. Avoid over-fertilizing, as this can lead to excessive leaf growth at the expense of flavour and texture.

By following these basic steps, you can grow kale successfully in your own backyard. Remember to provide adequate sunlight, control pests and diseases, and harvest the leaves at their peak freshness. For more information on growing other vegetables and herbs in Australia, check out our A-Z Grow Guides section.

Caring for Your Kale Plants

Once you've planted your kale seeds or seedlings, it's important to provide proper care to ensure healthy growth. This section will cover three essential aspects of caring for your kale plants: providing adequate sunlight, controlling pests and diseases, and harvesting kale leaves.

Providing Adequate Sunlight

Kale plants thrive in full sun to partial shade conditions. It's ideal to provide them with at least 6 hours of direct sunlight each day. If you're growing kale in a warmer region, providing some shade during the hottest part of the day can help prevent the leaves from wilting or becoming bitter.

Position your kale garden bed or containers in an area where it can receive maximum sunlight. If you're growing kale indoors, place it near a south-facing window or use grow lights to ensure adequate light exposure.

Controlling Pests and Diseases

Like any other plant, kale is susceptible to pests and diseases. However, with proper care and attention, you can minimise the risks. Here are a few tips on controlling pests and diseases for your kale plants:

  • Pests: Common pests that may attack kale include aphids, cabbage worms, and slugs. Regularly inspect your plants for any signs of infestation, such as chewed leaves or sticky residue. To control pests, you can try natural remedies like neem oil spray or introduce beneficial insects like ladybugs. For more detailed information on pest control, refer to our article on how to control pests in the garden.
  • Diseases: Kale is relatively resistant to most diseases. However, it can be prone to fungal diseases like powdery mildew and black rot. To prevent these diseases, make sure to provide adequate air circulation by spacing your kale plants apart. Additionally, avoid overhead watering and instead water at the base of the plants to minimise moisture on the leaves. If you notice any signs of disease, remove the affected leaves promptly to prevent the spread.

Harvesting Kale Leaves

The time to harvest your kale leaves depends on the variety and your personal preference. Generally, kale leaves can be harvested when they reach a size of about 4-6 inches in length. The outer leaves can be picked individually, leaving the inner leaves to continue growing.

To harvest, hold the stem of the leaf and gently pull it away from the plant. Avoid tearing the leaves as much as possible to prevent damage. Harvesting the outer leaves regularly will encourage new growth and ensure a continuous supply of fresh kale.

Remember, kale leaves become more tender and flavorful after a light frost, making them even more enjoyable to harvest in cooler months. For more information on growing other vegetables and herbs in Australia, check out our A-Z Grow Guides section.

By providing sufficient sunlight, controlling pests and diseases, and harvesting your kale leaves at the right time, you can enjoy a bountiful harvest of nutritious kale from your own garden. Experiment with different recipes and explore the various ways to incorporate this versatile leafy green into your meals.

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