911±¬ÁÏ Growing Guides
How to grow whitecurrants
Our detailed growing guide will help you with each step in successfully growing Whitecurrants.
Getting Started
Whitecurrants can be trained as single or multi-stemmed cordons against a wall or fence, which is useful if space is tight. Or grow them as free-standing bushes, 1–1.5m (3¼–5ft) tall and wide, for a heavier crop. They can also be grown as standards – with a bushy head on a tall stem – which allows room for smaller plants around the base.
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Choosing
What and where to buy
Whitecurrants plants in pots are available all year round from many gardening retailers. Bare-root plants (without a pot or soil around the roots) are also available, but only during the dormant season (late autumn to early spring) and mainly from larger online retailers. They are usually cheaper than potted plants, but are less widely available and must be planted straight away. Always buy certified virus-free plants from reputable suppliers.
When buying whitecurrants to grow as a bushes, select two- to three-year-old plants with a well-balanced head of three to five main branches and a clear stem of 10–15cm (4–6in). For cordon training, buy one-year-old cuttings or partly trained plants from specialist fruit suppliers. (It’s also possible to convert a young one- or two-year-old bush-trained plant.) Standards – shaped like a lollipop, with a bushy head on a tall stem – are generally only available from specialist suppliers.
Recommended Varieties
Planting
Trained forms, such as cordons and fans, need support, so are best planted against a fence or wall fitted with horizontal wires spaced at 40–60cm (16–24in) intervals, plus a tall vertical cane to support the main stem. These should be put in place before or at the time of planting.
Plant bare-root whitecurrants between November and March, but avoid periods when the ground is frozen or very wet. Container-grown whitecurrants can be planted all year round, but will establish better if planted in autumn to early spring.
Planting in the ground
Whitecurrants like moist, well-drained soil, but will grow in a range of soil conditions. Before planting, clear the ground of weeds and dig in a generous amount of well-rotted manure or garden compost. Then add a high potassium fertiliser such as Vitax Q4 or blood, fish and bonemeal at the rate of 85g (3oz) per square metre/yard. Space bushes 1.5–1.8m (5–6ft) apart and cordons 38–45cm (15–18in) apart. For full planting instructions, see our guides below.
Planting in containers
Choose a container that is 45–50cm (18–20in) in diameter, and use a peat-free soil-based compost or peat-free multi-purpose compost with added grit (one-third by volume) to improve drainage. For more planting tips, see our guides below.
Plant Care
Established whitecurrants generally need little maintenance, apart from pruning and feeding. When growing in containers, plants need some additional attention, including regular watering and repotting.
Watering
Water newly planted whitecurrants regularly during their first spring and summer. Established plants won’t usually need watering except in long dry spells. Mulching annually (see below) will help to hold moisture in the soil.
Whitecurrants in containers should be watered on a regular basis throughout the growing season – even daily in hot weather. In winter, make sure the roots don’t rot in wateriogged compost by standing the containers on pot feet or bricks to allow heavy rain to drain out through the holes in the base.
Mulching
Apply a mulch of garden compost or well-rotted manure after feeding in spring (see below). Spread a layer about 5cm (2in) thick over the root zone, but leave a gap around the base of the stem. Mulching helps to hold moisture in the soil and suppress weed growth.
Feeding
Feed whitecurrants in early spring with a high potassium fertiliser, such as Vitax Q4 or blood, fish and bonemeal – scatter one and a half handfuls per square metre/yard around the base.
With whitecurrants in containers, feed every fortnight from late winter to early spring with a general liquid fertiliser. Each spring, scrape off the top few centimetres of compost and replace with a mix of fresh peat-free potting compost and controlled-release fertiliser granules. Then in summer, while plants are flowering and fruiting, apply high potassium liquid feed.
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Protecting flowers and fruit
Protecting flowers from frost
If frost is forecast while whitecurrants are in flower, cover the plants overnight with fleece or hessian, raised up on canes, then remove in the morning to allow pollinators access to the flowers.
Protecting fruit from birds
Once the currants start to ripen, put netting over your plants to protect the crop from birds. Make sure the netting is taut, so birds don’t get tangled in it. Alternatively, use a temporary or permanent fruit cage.
Repotting
Repot containerised whitecurrants every three years in late winter. Either give them a bigger container or return them to the same pot after removing a third of the roots and as much of the old compost as you can. Use fresh peat-free soil-based compost, firm it in around the roots to remove any air pockets and water well. See our video guide to repotting.
Propagating
Pruning and Training
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Bushes – prune every winter to create and maintain an open-centred goblet shape with up to ten well-spaced branches
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Cordons – prune in winter and summer. These compact single-stemmed or multi-stemmed plants are useful if you have limited space
For step-by-step instructions on how to prune all trained forms of whitecurrants, see our guide to pruning redcurrants (the methods apply to whitecurrants too).
Also watch our video guides, below, to see how to prune cordons and bushes – pruning methods are exactly the same for whitecurrants, redcurrants and gooseberries.
Harvesting
Problems
Whitecurrants are generally healthy, trouble-free plants, although they can be affected by a few specific insects and diseases – see Common problems, below. Also, it’s worth protecting the crop from birds using netting or a fruit cage. And in spring, if freezing weather is forecast while whitecurrants are flowering, cover the plants over night with horticultural fleece or hessian, propped up on canes, to protect from frost damage, which can reduce the crop.
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