
Boysenberries are a cross between blackberries, raspberries, dewberries, and loganberries. They are large, juicy, and sweet, with a slight tang. While they are now one of the world's most popular berries, they are hard to find in shops because they don't travel well. This makes them ideal for home growing. If you're interested in growing boysenberries in Australia, here is a guide to help you get started.
| Characteristics | Values |
|---|---|
| Plant type | Perennial |
| Climate | Cool winters and hot, dry summers |
| Sunlight | Full sun or part shade with at least 3 hours of full sun each day |
| Soil | Well-drained, enriched with organic matter |
| Watering | Water deeply in the early morning or late afternoon |
| Fertiliser | Controlled-release yearly during spring, followed by monthly liquid fertiliser during summer |
| Pruning | Prune canes to about 20cm from the ground to encourage root development |
| Support | Trellis or strong support, with plants tied gently using twine or plant ties |
| Height | Up to 3 metres |
| Width | Up to 2 metres |
| Fruit | Sweet, tart berries, good for jams and pies |
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What You'll Learn

Boysenberries need a cool winter to produce fruit
Boysenberries are a popular fruit to grow in Australia, especially in coastal areas of south-eastern Australia and alpine areas of Victoria, NSW and Tasmania. They are a hybrid berry, a cross between blackberries, raspberries, dewberries, and loganberries. They were first bred in California in 1923.
Boysenberries are a perennial plant, meaning they live for several years. They produce new biennial canes each year. The first-year canes are called primocanes, which are green and produce only leaves, not fruit. During the summer, they acquire brown bark. Then they go dormant for the winter and reawaken in the spring as floricanes, or second-year canes, which produce fruit on green stems called laterals.
To ensure a good harvest, it is important to prune the boysenberry bushes correctly before the first frost of winter. Primocanes should be pruned until there are five to seven of them on each plant, and the laterals should be trimmed to 12 inches or shorter. Floricanes, which have already produced fruit, can be pruned off the plant entirely.
Boysenberry bushes also require winter protection in the form of mulch, such as straw, dried leaves, lawn clippings, pine needles, or small bark chips. This protects the plant's roots from fluctuations in soil temperature and helps prevent soil erosion. It is recommended to apply at least 8 inches of straw or 3 to 4 inches of other mulches in the fall, after a few hard frosts.
In addition, it is important to reduce watering after the first frost to help harden the boysenberry bushes for winter. Boysenberries also require a trellis or other strong support to grow on, and they should be tied gently to the support using twine or plant ties.
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Well-drained soil, enriched with organic matter
Boysenberries are a hybrid berry that is a cross between blackberries, raspberries, dewberries, and loganberries. They are a perennial plant, meaning they live for several years. Boysenberry plants require well-drained soil that is enriched with plenty of organic matter.
To prepare the soil for planting boysenberry canes, start by weeding the area thoroughly. Then, dig over the soil to loosen it and add aged animal manure or compost. Keep the area free of weeds until you are ready to plant. Boysenberry plants need at least three hours of full sun each day and can tolerate a wide range of soil types. They prefer a cooler climate with mild winters and warm summers.
When planting boysenberry canes, it is important to water them well and keep the roots from drying out. You may also choose to prune the canes to about 20cm from the ground after planting to encourage root development and new growth. Boysenberry plants require a trellis or other strong support to grow on, as they can grow upward as high as three or four meters tall.
Make sure to have the support in place when you plant the canes to avoid disturbing the plant's roots later. Training the canes to grow along a trellis or wires will make the plants easier to manage and pick. Boysenberry plants may need additional watering during the growing season, especially during the flower and fruiting periods. Water when the soil is dry about 5cm below the surface, and water deeply in the early morning or late afternoon.
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Boysenberry plants require a trellis or other strong support
When using a trellis, it is important to tie the boysenberry plants gently to the support using twine or plant ties. It is recommended to have the support in place at the time of planting the canes to avoid disturbing the plant's roots later. Tying the canes to the trellis in bundles and training them in a wave shape can make managing the plant easier.
Connie, a berry enthusiast, shared her experience growing boysenberries in her backyard. She noted that boysenberry plants are climbing plants similar to vines and can grow upward on a cane. To manage their growth, she attached her plants to a trellis by weaving the cane around it and securing it with string.
In addition to a trellis, boysenberry plants can also be trained to grow along wires. This method provides similar benefits of tidier plants and easier picking of the berries. Whether using a trellis or wires, the key is to provide a sturdy structure that guides the vertical growth of the boysenberry plants and prevents them from sprawling uncontrollably.
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Water when the soil is dry about 5cm below the surface
Boysenberries are a delicious treat, but they can be hard to find in shops. Luckily, they are well-suited to Australia's climate and can be grown at home. Boysenberry plants require diligent watering, particularly during the flower and fruiting periods.
To check if your boysenberry plant needs watering, test the soil about 5cm below the surface. Scratch away a little soil with your finger to see if it is dry. If the soil is dry about 5cm below the surface, it is time to water your boysenberry plant. Water deeply in the early morning or late afternoon, avoiding the leaves to prevent fungal diseases.
Boysenberry plants are perennial, meaning they live for several years and produce fruit annually. They can tolerate a wide range of soil types and are frost-hardy, but they do best in a cooler climate with mild winters and warm summers. They also require a trellis or other strong support to grow on, as they are climbing plants that can grow up to three or four metres tall.
To prepare the soil for your boysenberry plant, weed the area thoroughly, digging it over to loosen the soil and adding aged animal manure or compost. Boysenberry plants need well-drained soil enriched with plenty of organic matter. Keep the area free of weeds until planting and make sure the roots do not dry out.
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Boysenberries are frost-hardy and drought-tolerant
Boysenberries are a hybrid berry that is a cross between blackberries, raspberries, and loganberries. They are fairly easy to grow and can be grown in most parts of Australia. Boysenberry plants are perennial, meaning they live for several years and produce fruit year after year. While they are heat-tolerant and self-pollinating, they are not cold-hardy.
In terms of frost tolerance, boysenberry plants can withstand occasional frosts and even snow. However, it is recommended to cover the plants with hay or other insulating materials during frost to protect them. Boysenberries grow well in full sun or partial shade, requiring at least three hours of full sun each day. They prefer well-drained, moist soil with a pH range of 6-7. Soil preparation is important, including weeding, loosening the soil, and adding aged animal manure or compost.
Boysenberries are not considered drought-tolerant, and adequate watering is crucial for their growth and fruit development. Watering should be deep, but it is important not to overwater or flood the plants. The best time to water is in the early morning or late afternoon, avoiding the leaves to prevent fungal diseases. To retain moisture in the soil, a layer of mulch or wood chips can be spread after planting.
Boysenberry bushes can grow tall, and a trellis or strong support is necessary to guide their growth. They typically start producing fruit within 1-2 years, with harvests occurring in the summer months of June, July, and August. The berries are ready to pick when they turn a dark purple colour, offering a sweet and tangy flavour.
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Frequently asked questions
Boysenberries are perennial plants that grow year-round and require a cool winter to produce fruit. They are suitable for cold and temperate climates and can tolerate a wide range of soil types. The plants need full sun or partial shade, with at least three hours of sunlight each day. Boysenberries also require well-drained soil enriched with organic matter.
Boysenberry plants require a trellis or strong support to grow on, and they should be tied gently to the support using twine or plant ties. Water the plants regularly, especially during the growing season, and avoid watering the leaves to prevent fungal diseases. Boysenberries are also drought and frost tolerant but benefit from additional watering during the flowering and fruiting periods.
Prepare the soil by thoroughly weeding, digging, and loosening it. Add aged animal manure or compost to enrich the soil with organic matter. Keep the area free of weeds until planting, and make sure the roots do not dry out.

















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