
Brussels sprouts are leafy vegetables with cabbage-like sprouts that can be roasted, boiled, stir-fried, grilled, or pan-fried. They are cool-season plants that grow best in cool or cool-temperate climates and are therefore suitable for most areas in Australia. They require a long growing season, so seeds should be sown in early to mid-summer and transplanted into the garden in mid- to late-summer, or when the seedlings are 7-10cm tall. Brussels sprouts can be grown in pots or planters, and they do well in a range of soil types, with slightly heavier soils providing the best results.
| Characteristics | Values |
|---|---|
| Seed Planting Time | Mid to late summer |
| Seed Planting Depth | 7-10mm deep |
| Seed Spacing | 6-8 seeds per punnet |
| Transplant Height | 7-15cm |
| Transplant Spacing | 50-90cm apart |
| Sunlight | Full sun to part shade |
| Soil Type | Moist, well-drained, enriched with compost |
| Soil pH | N/A |
| Fertiliser | Organic fertiliser every 6-8 weeks |
| Watering | Regular |
| Harvest Time | 4-5 months from planting |
| Pests | Cabbage White Butterfly, Caterpillars, Aphids |
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What You'll Learn
- Brussels sprouts need to be sown in mid to late summer and require 100-160 days to grow
- They grow well in pots or planters, but each pot should only have one plant
- Brussels sprouts are biennial plants but are often grown annually in Australia
- They grow best in cool zones and cool-temperate regions with mild to cool summers
- They are hungry plants and require lots of food to grow well

Brussels sprouts need to be sown in mid to late summer and require 100-160 days to grow
Brussels sprouts are cool-season plants that grow best in cool or cool-temperate climates. They are biennial plants, which means they grow over two seasons, but they are often grown as annuals. In Australia, they are typically grown for one season and removed after the harvest. Brussels sprouts require a long growing season with a cool summer and cold winter. Therefore, it is recommended to sow the seeds in mid to late summer, so they are well-developed by autumn. Depending on the variety, Brussels sprouts require 100-160 days or four to five months to grow before they are ready for harvest.
To grow Brussels sprouts, you should sow the seeds 7-10mm deep into trays, punnets, or pots filled with a seed-raising mix. It is recommended to use a mix specifically designed for tomato, vegetable, and herb potting. Plant six to eight seeds per punnet, and once they have sprouted, thin out the weakest seedlings. Keep the soil moist and firm it down. Brussels sprouts can be grown in pots or planters with a width and depth of at least 50cm. If you have limited space, look for more compact-growing varieties that can be planted closer together.
Once the seedlings reach a height of about 7-15cm, they can be transplanted into your garden or pot. Allow 50-90cm between seedlings and up to 1 metre between rows, depending on the variety. Choose a full sun to part-shade spot, ensuring protection from strong winds as Brussels sprouts can easily topple over. Enrich the soil with compost or a soil improver mixed through the top 10-15cm of soil before planting. Water regularly to keep the soil moist, and apply a light dressing of organic fertiliser every six to eight weeks. Supplement with a weekly feed of liquid fertiliser suitable for leafy greens.
As the plant grows, remove the leaves above and below each sprout to expose the rows of sprouts along the stem. This practice is not necessary but is often done to make harvesting easier. Brussels sprouts are typically ready for harvest from late autumn to early winter, about four to five months after planting. Harvest the sprouts closest to the ground first by snapping them off or using a sharp knife. Look for sprouts with round, firm heads approximately 2-3cm in diameter.
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They grow well in pots or planters, but each pot should only have one plant
Brussels sprouts are cool-season plants that grow well in pots or planters, but each pot should only have one plant. They require a long growing season with cool summers and cold winters. In Australia, they are typically grown for one season and removed once the harvest is finished.
When growing Brussels sprouts in pots, choose a pot that is at least 50cm wide and deep, such as a half wine barrel. Fill your pot with a potting mix suitable for vegetables, such as Scotts Osmocote Plus Organics Tomato, Vegetable & Herb Potting Mix or Yates Potting Mix with Dynamic Lifter. Brussels sprouts grow best in full sun to part shade, so place your pot in a sunny spot.
Once you have prepared your pot, it's time to plant the seeds. Sow the seeds 7-10mm deep into trays or punnets filled with a seed-raising mix, such as Yates Seed Raising Mix or Scotts Osmocote Seed & Cutting Potting Mix. Keep the mix moist and cover it with a thin layer of soil. Plant 6-8 seeds per tray or punnet, and once the seedlings have sprouted, thin them out, selecting the strongest ones.
When the seedlings reach about 7-10cm in height, it's time to transplant them into your prepared pot. Space the seedlings about 50-60cm apart in the pot and water them well. To help stabilise the plants, especially in strong winds, you can plant the seedlings a little deeper to cover the lowest leaves. Apply a light layer of organic mulch, such as pea straw, to retain moisture and protect the young plants.
As your Brussels sprouts plants grow, continue to care for them by regularly watering and feeding them. Feed weekly with a liquid fertiliser suitable for leafy greens, such as Yates Thrive Vegie & Herb Liquid Plant Food. You can also remove the leaves above and below each sprout to expose the rows of sprouts along the stem, making harvesting easier. Keep an eye out for pests and protect your plants with insect exclusion netting or organic pest control methods.
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Brussels sprouts are biennial plants but are often grown annually in Australia
Brussels sprouts are biennial plants, meaning they naturally have a two-year life cycle. However, they are often cultivated as annuals in Australia, grown for a single season and removed after harvest. This is because Brussels sprouts require cool temperatures to thrive, and Australia's climate is predominantly warm.
Biennial growth in Brussels sprouts involves the plant producing a rosette of leaves in its first year, followed by a central flowering stem and edible sprouts in its second year. In mild to cool summer climates, Brussels sprouts can be grown as biennials. However, in most parts of Australia, the warm climate necessitates annual cultivation.
Brussels sprouts grow best in cool zones and warm and cool-temperate regions. They require a long growing season, with a cool summer and cold winter. In most areas, seeds should be sown in early summer and transplanted into the garden in mid- to late summer, or when seedlings reach a height of 7-10 cm. This timing ensures the sprouts mature during the colder months, enhancing their flavour and preventing bitterness.
To successfully grow Brussels sprouts in Australia, it is crucial to provide them with the right growing conditions. They require well-drained, fertile soil with a pH of around 6.8 and regular watering. Additionally, they need at least six hours of sunlight daily, preferably in a sunny spot protected from strong winds to prevent toppling.
Brussels sprouts are typically ready for harvest four to five months after planting, with sprouts reaching a diameter of about 2-3 cm. Harvesting is done from the bottom of the stalk upwards, twisting the sprouts until they break away from the plant. With proper care, one plant can yield over 50 healthy sprouts.
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They grow best in cool zones and cool-temperate regions with mild to cool summers
Brussels sprouts are cool-season plants that thrive in cool zones and cool-temperate regions with mild to cool summers. They are biennial plants, which means they grow over two seasons, but they are often cultivated as annuals. In most of Australia, Brussels sprouts are grown for one season and then removed after harvest.
To grow Brussels sprouts, you should sow the seeds in mid-to-late summer, as they require 100-160 days of growth before they are ready for harvest. Choose a sunny spot in your garden and prepare the soil by enriching it with compost and fertiliser. Brussels sprouts grow best in full sun to part shade and prefer moist, well-drained soil. They can also be grown in pots or planters with a width and depth of at least 50 cm.
When transplanting Brussels sprout seedlings, space them about 50-90 cm apart to allow for proper growth. They can be planted a little deeper to cover the lowest leaves, providing stability and protection from strong winds. Water the seedlings regularly to keep the soil moist, and apply organic mulch to retain moisture and conserve soil moisture.
Brussels sprouts are typically ready for harvest four to five months after planting. You can start harvesting after the first frosts of late autumn and early winter to achieve the best flavour and prevent sprout blow-out. Harvest the sprouts from the bottom of the stalk upwards, looking for sprouts with round, firm heads approximately 2-3 cm in diameter.
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They are hungry plants and require lots of food to grow well
Brussels sprouts are hungry plants and require lots of food to grow well. They are moderate feeders, so it is recommended to add manure and compost to the soil a couple of weeks before planting. It is important not to go overboard with fertilisers, especially those high in nitrogen, as this can lead to "Brussels sprout blow-out". An organic mulch like pea straw or lucerne can be spread over the beds to help retain soil moisture. Additionally, a light dressing of organic fertiliser should be applied every six to eight weeks. A weekly feed of liquid fertiliser suitable for leafy greens is also recommended to encourage healthy growth and an abundance of sprouts.
Brussels sprouts require a long growing season, typically between 100 and 160 days, depending on the variety. They thrive in cool zones with mild to cool summers and cold winters. In most areas, seeds should be sown in early to mid-summer and transplanted into the garden when the seedlings are around 7 to 15 cm tall. The timing of planting is crucial as Brussels sprouts are sensitive to temperature changes and require a cool or cool-temperate climate to flourish.
When planting, choose a spot that receives full sun to part shade and ensure the area is protected from strong winds as Brussels sprouts can topple over easily. Brussels sprouts can be grown directly in the ground or in pots, but they require ample space as they can grow up to 100-140 cm in height. If planting in the ground, space the seedlings 50 to 90 cm apart, allowing up to 1 metre between rows. If growing in pots, choose a container that is at least 50 cm wide and deep, and only grow one plant per pot.
Brussels sprouts require regular watering to keep the soil moist, and they benefit from improved soil drainage. As the plant grows, remove the leaves above and below each sprout to expose the rows of sprouts along the stem. This practice is common in commercial settings as it makes harvesting easier. Brussels sprouts are typically ready for harvest four to five months after planting and can be picked for about two to three months. Harvest the sprouts from the bottom of the stalk first, looking for those with round, firm heads approximately 2 to 3 cm in diameter.
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Frequently asked questions
Brussels sprouts need to be planted in the summer so they are ready to harvest in the autumn. In Australia, it is best to plant them in early autumn to benefit from a long cool season.
Brussels sprouts can be grown in pots or planters, or directly in the ground. If you are using a pot, make sure it is at least 50cm wide and deep, and only grow one plant per pot. If you are planting them in the ground, space them 50-90cm apart. Brussels sprouts grow best in full sun to part shade and in moist, well-drained soil.
Brussels sprouts take around 100-160 days to grow, depending on the variety. They are usually ready for harvest four to five months after planting and can be picked for around two to three months.










































