In the garden: currant affairs

From jam to ice-lollies and cassis, the tasty blackcurrant is truly versatile . . . and has the added benefit of health-enhancing qualities

 Blackcurrants waiting to be made into jams, ice cream, cassis and cordial. Photograph: Richard Johnston

Blackcurrants waiting to be made into jams, ice cream, cassis and cordial. Photograph: Richard Johnston

Sat, Jul 26, 2014, 01:00

I recently spent a sunny afternoon picking blackcurrants, gently pulling the dangling strigs of fragrant, inky berries off branches so heavily laden that they’d been bent low to the ground by the weight of the fruit.

Within an hour I had picked close to 30lbs/13kg of currants, and been inescapably reminded of the fact that the only downside to growing this pleasingly tart fruit is the backbreaking tedium of harvesting it. But when you consider not only how easy they are to grow, but also the variety of ways in which those tangy, juicy berries can be put to tasty use, it’s a small flaw easily forgiven.

Just one blackcurrant bush will give a yield of about 10-11lbs (4.5kg-5kg) of fruit. That’s enough to make a dozen jars of blackcurrant jam, a couple of large bottles of cassis (the delicious ingredient that transforms a glass of champagne into a Kir Royale), a large Kilner jar’s worth of blackcurrant coulis, several trays of blackcurrant cup cakes, some mouth-wateringly tasty blackcurrant ice-lollies . . . and still have enough left over for some homemade blackcurrant ice-cream, cordial, fool, or even wine. Not only that, but the plant’s tangy, flavoursome leaves can also be used to make a delicately-flavoured sorbet, a lemonade, or a herbal tea.

It’s tastiness and versatility aside, the blackcurrant’s health-enhancing qualities are well known.

During the second World War, for example, blackcurrant cordial was used in hospitals, schools and nursing homes in the UK to treat vitamin C deficiency. The cordial was made by the same company that manufactured Ribena, the fruit drink that, interestingly, gets its name from the Latin term for the blackcurrant, Ribes nigrum.

Scientific studies have since found that both the fruit and the leaves are also rich in many other health-boosting phytochemicals. The colour of those inky berries, for example, is an indication of high levels of anthocyanins, a powerful type of antioxidant that helps our immune system to fight infections and can help reduce the risk of cardiovascular disease, lower levels of bad cholesterol, fight obesity and reduce high blood pressure.

Other studies suggest that eating blackcurrants can help with brain function, eyesight function and urinary tract health, while herbalists use both the leaves and the fruit for their anti-inflammatory properties, as a hormone regulator and to improve circulation. It is, in short, a wondrous plant.

How best to grow it? Blackcurrant bushes can be planted as bare-root specimens anytime between October and March. Container-grown specimens can be planted at any time of the year, but need to be kept well watered if planted in active growth. You can also easily grow the plant from 8-inch/20cm hardwood cuttings taken in late autumn.

Although blackcurrant bushes tolerate light shade, they do best in full sun and in a rich, well-drained, weed-free soil enriched with plenty of organic matter. Avoid planting in a frost pocket or in a windy site.

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