How to Grow Brussels Sprouts in Australia

If you're a lover of green and leafy vegetables, then Brussel Sprouts are surely on your list of favourites. These tiny, cabbage-like veggies are not only packed with nutrition but also add a touch of elegance to any dish. While you can easily find Brussel Sprouts at your local grocery store, there's nothing quite like growing them in your own backyard.

Cultivating Brussel Sprouts in your home garden is not only a rewarding experience but also a great way to ensure a fresh and steady supply of these flavorful delights. Whether you have a small patio or a spacious backyard, you can easily grow Brussel Sprouts with a little time, effort, and the right guidance.


Quick Guide: Growing Brussel Sprouts in Australia

  • Optimal Growing Temperatures: Between 7°C and 30°C
  • Ready to Harvest: 14-28 weeks after planting
  • Space Between Plants: Plant spacing of 45-60cm apart.
  • Companion Plants: Beans, Beets, Celery
  • Plants to Avoid: Beans, Tomato, Strawberry
  • Plant Type: Seed

When to Plant Brussel Sprouts in Australia

Australia Map


Brussel Sprouts are not recommended to be planted in the Tropical regions of Australia.

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Brussel Sprouts are not recommended to be planted in the Subtropical regions of Australia.

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Brussel Sprouts can be planted year round in the Temperate regions of Australia. Cities in the Temperate region include Melbourne, Adelaide, Geelong, and Perth.

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Best planting months for Brussel Sprouts in the Cool region are January, November, and December. Cities in the Cool region include alpine regions of Victoria and Tasmania.

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Best planting months for Brussel Sprouts in the Arid region are January to March.

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Choosing the Right Variety of Brussels Sprouts

When it comes to growing Brussel sprouts in your home garden, choosing the right variety is crucial. With a wide range of options available, each with its own unique characteristics, selecting the perfect variety will ensure a successful and bountiful harvest.

One popular variety to consider is the "Long Island Improved". This variety is known for its excellent flavour and high yield. It produces compact, round sprouts that are perfect for roasting or sautéing. Another great option is the "Diablo" variety, which offers a slightly sweeter taste and larger sprouts.

If you prefer a more unique variety, why not try "Rubine"? This stunning purple variety not only adds a pop of colour to your garden but also provides a slightly milder flavour compared to traditional green Brussel sprouts.

Before making your final decision, take into account factors such as taste preference, size of the sprouts, and the length of the growing season. Some varieties may mature earlier than others, allowing you to enjoy your homegrown Brussel sprouts sooner.

Preparing the Soil

To ensure healthy growth and abundant yields, it's essential to prepare the soil before planting your Brussel sprouts. Start by selecting a sunny location in your garden with well-draining soil. Brussel sprouts thrive in fertile soil that is rich in organic matter.

Begin the soil preparation process by removing any weeds or debris from the planting area. This will help prevent competition for nutrients and water. Once the area is clear, loosen the soil using a garden fork or tiller, breaking up any clumps and ensuring it is evenly aerated.

Next, incorporate organic matter into the soil to improve its fertility. Compost is an excellent choice, as it adds essential nutrients and improves the soil's ability to retain moisture. Spread a layer of compost over the planting area and work it into the soil using a garden rake or hoe.

Planting Brussel Sprouts

Now that your soil is prepared, it's time to plant your Brussel sprouts. Start by digging small holes, spaced about 24 inches apart, to accommodate the young seedlings. The depth of the holes should be equal to the depth of the seedling containers.

Gently remove the seedlings from their containers, being careful not to disturb the roots. Place each seedling into a hole, ensuring that the soil level of the seedling matches that of the surrounding soil. Fill in the hole with soil and lightly pat it down to secure the seedling in place.

After planting, provide your Brussel sprouts with a good watering to help them establish their roots. Throughout the growing season, it's important to keep the soil evenly moist, but not waterlogged. Regularly check the moisture level by inserting your finger into the soil. If it feels dry to the touch, it's time to water.

In the next section, we will discuss the essential care required to ensure the health and vitality of your Brussel sprouts. From watering to fertilising, we will cover all the necessary steps to help your plants thrive. So stay tuned!

Caring for Brussel Sprouts

Once your brussel sprouts are planted and growing, it's essential to provide them with the proper care to ensure a bountiful harvest. This section will cover the key aspects of caring for your brussel sprouts, including watering, fertilising, mulching, and pest and disease control.


Brussel sprouts require consistent and adequate moisture to thrive. While they are relatively tolerant of dry conditions, it's crucial to keep the soil consistently moist, especially during hot and dry periods. Water deeply and infrequently, aiming for about an inch of water per week. This will encourage the plants to develop deep root systems and become more resistant to drought.

To avoid overwatering, which can lead to root rot and other diseases, ensure that the soil is well-drained. If you're unsure about the moisture levels, you can use your finger to check the soil's moisture content. Insert your finger about an inch into the soil; if it feels dry, it's time to water.


To promote healthy growth and maximise the yield of your brussel sprouts, regular fertilisation is essential. Begin by incorporating well-rotted compost or aged manure into the soil before planting. This will provide a slow-release source of nutrients throughout the growing season.

As the plants continue to grow, you can supplement with additional fertilisers. A balanced vegetable fertiliser with equal amounts of nitrogen, phosphorus, and potassium is ideal. Apply the fertiliser according to the manufacturer's instructions, being careful not to over-fertilize, as this can lead to excessive foliage growth at the expense of sprout development.


Mulching is a fantastic practice for brussel sprouts as it helps conserve moisture, suppress weeds, and regulate soil temperature. Apply a layer of organic mulch, such as straw or wood chips, around the base of the plants. This will help keep the soil cool and moist, preventing the roots from drying out during hot spells.

Mulching also acts as a natural weed barrier, reducing competition for nutrients and water. Be sure to maintain a layer of mulch around the plants throughout the growing season, replenishing it as needed.

Pest and Disease Control

Like many other vegetables, brussel sprouts are susceptible to pests and diseases. Common pests that may attack your plants include cabbage worms, aphids, and flea beetles. To control these pests, you can employ various methods, including handpicking, applying organic insecticides, or introducing beneficial insects like ladybugs or lacewings.

Diseases such as clubroot and powdery mildew can also affect brussel sprouts. To prevent these diseases, practice crop rotation and ensure proper spacing between plants to promote good air circulation. If you notice any signs of disease, promptly remove and destroy the affected plants to prevent further spread.

By implementing these care practices, you'll give your brussel sprouts the best chance to thrive and produce a bountiful harvest. With the right watering, fertilising, mulching, and pest and disease control, you'll be rewarded with delicious and nutritious brussel sprouts to enjoy in your favourite recipes.

Companion Plants 

Companion planting can help improve the growth and health of Brussels sprouts while deterring pests and enhancing the overall garden ecosystem. Here are some companion plants that work well with Brussels sprouts:

  • Chives: Chives can help deter aphids and protect Brussels sprouts from pests.
  • Lettuce: Lettuce can provide shade to the soil, help retain moisture, and create a microclimate that benefits Brussels sprouts.
  • Beets: Beets can enhance the soil and do not compete heavily for resources with Brussels sprouts.
  • Spinach: Spinach can provide shade and create a beneficial microclimate for Brussels sprouts. It can also be harvested before the Brussels sprouts reach full size.
  • Aromatic Herbs (Thyme, Sage, and Mint): These herbs can help deter pests and improve the overall health of Brussels sprouts.

Checkout our A-Z growth guides for more info on how to grow all fruits, veggies and herbs.

Harvesting and Storage

After weeks of nurturing your brussel sprout plants, it's finally time to reap the rewards of your hard work. Harvesting and storing brussel sprouts properly is crucial to maintain their flavour, texture, and nutritional value. In this section, we will explore when to harvest, different harvesting techniques, and the best methods for storing your freshly picked brussel sprouts.

When to Harvest

Timing is everything when it comes to harvesting brussel sprouts. Determining the perfect time to pick your sprouts is essential for achieving the best flavour and texture. Generally, brussel sprouts are ready to be harvested when they reach a firm size of about 1 to 2 inches in diameter. However, this can vary depending on the specific variety you are growing.

To ensure that you harvest your brussel sprouts at the optimal time, observe the appearance of the sprouts. Look for tight, compact heads with vibrant green colour. If the heads start to loosen and turn yellow, it's a sign that they have matured too much and may have a bitter taste. On the other hand, if the sprouts are still small and tightly closed, they need more time to develop.

Harvesting Techniques

When it comes to harvesting brussel sprouts, it's important to handle the plants with care to prevent damage. Follow these techniques to ensure a successful harvest:

  1. Start from the bottom: Begin harvesting from the bottom of the plant, removing the lower sprouts first. This allows the upper sprouts to continue growing and ripening.
  2. Use a sharp knife or scissors: To avoid damaging the plant, use a sharp knife or scissors to cut the sprouts from the stem. Make a clean cut just above the sprout, leaving a small portion of the stem intact.
  3. Harvest in stages: Brussel sprouts mature at different rates, even within the same plant. Harvesting in stages allows you to enjoy a continuous supply of fresh sprouts. Start with the lower sprouts and continue harvesting as the upper ones reach the desired size.

Storing Brussel Sprouts

Proper storage is essential to maintain the quality and freshness of your harvested brussel sprouts. Follow these tips to ensure your sprouts stay in prime condition:

  1. Refrigeration is key: Brussel sprouts are best stored in the refrigerator. Place them in a perforated plastic bag or airtight container to maintain moisture levels while allowing for proper airflow.
  2. Avoid washing before storage: Washing brussel sprouts before storing can accelerate spoilage. Instead, keep them unwashed until you are ready to cook or consume them.
  3. Store in the crisper drawer: Place your brussel sprouts in the crisper drawer of your refrigerator, which provides a slightly higher humidity level. This helps to preserve their freshness and prevent them from drying out.
  4. Consume within a week: Brussel sprouts are at their best when consumed within a week of harvesting. As time passes, their flavour and texture may deteriorate, so it's best to enjoy them sooner rather than later.

Troubleshooting Common Issues

Even with the best care and attention, brussel sprouts can sometimes encounter problems. In this section, we will explore some common issues that you may encounter while growing these delightful vegetables.

Pests and Diseases

One of the most frustrating challenges for gardeners is dealing with pests and diseases. Brussel sprouts are no exception. They can fall victim to a variety of invaders, including aphids, cabbage worms, and flea beetles. These pesky creatures can wreak havoc on your plants, causing damage to the leaves and stunting their growth.

To combat these pests, it's important to regularly inspect your plants for any signs of infestation. If you spot any aphids or worms, you can try removing them manually or using organic insecticides. Additionally, planting companion plants like marigolds or nasturtiums can help repel unwanted insects.

Brussel sprouts are also vulnerable to diseases such as clubroot and black rot. These diseases can be challenging to manage once they take hold in your garden. To prevent their occurrence, ensure that you rotate your crops each year and maintain proper spacing between plants to improve airflow. If you suspect a disease is present, promptly remove and dispose of any infected plants to prevent further spread.


Another issue that gardeners may face when growing brussel sprouts is bolting. Bolting refers to the premature flowering and seed production of the plant, which can negatively impact the development of the sprouts.

Bolting is often triggered by environmental factors such as high temperatures or prolonged exposure to cold temperatures. To minimise the risk of bolting, it's crucial to select the right variety of brussel sprouts that are more resistant to bolting. Additionally, providing consistent watering and planting at the appropriate time can help prevent bolting.

Poor Growth

If your brussel sprouts are not thriving and show signs of poor growth, several factors could be at play. Insufficient sunlight, improper watering, or nutrient deficiencies can all contribute to slow or stunted growth.

To promote healthy growth, make sure your brussel sprouts are getting at least six hours of direct sunlight each day. Additionally, maintain consistent moisture levels by watering deeply and evenly, ensuring that the soil is neither too dry nor waterlogged.

Nutrient deficiencies can be addressed by amending the soil with organic matter, such as compost, and using a balanced fertiliser. Regularly monitoring the health of your plants and addressing any issues promptly will help ensure vigorous growth and a bountiful harvest.

By being aware of these common issues and implementing appropriate preventive measures, you can overcome any challenges that may arise while growing brussel sprouts. With a little patience and care, you'll be rewarded with beautiful, healthy plants and a delicious harvest.

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