Blackcurrant

The blackcurrant, from the same family as the gooseberry, is as easy to grow as it is delicious! It would be a pity to leave it out of your garden!
Common name : Blackcurrant
Scientific name : Ribes nigrum
Family : Grossulariaceae
Category : Fruit plants
Type of plant : Perennial
Pruning needed
Pruning needed
Edible
Edible
A fruit bush with slightly prickly stems, kin to brambles and blackberries, with brownish-reddish wood, tender green foliage, and producing black fruit. Useful in gardens as a low hedge, the blackcurrant needs rich soil and yearly pruning to thrive and produce.

Sowing & planting

J
F
M
A
M
J
J
A
S
O
N
D

Flowering

J
F
M
A
M
J
J
A
S
O
N
D

Harvestint

J
F
M
A
M
J
J
A
S
O
N
D

Caracteristics

Exposition
Water needs
Granulométrie plants.granulometry_2
Frost-resistance High
Zone USDA 6a
Height 100 - 200
pH 6 - 7

Identify my blackcurrant

The blackcurrant bush is a species of the Ribes genus, part of the Grossulariaceae family. It produces small, blac berries that are loved by adults, children and birds alike.

Plant my blackcurrant

You can plant from October to March for suckers in bare roots, and until May for seedlings in containers, but avoid doing it during frost periods. Warning ! Plant several feet to ensure pollination and fruiting, at least two, even of different varieties! The blackcurrent likes a sunny exposure but supports the semi-shade, especially if it is leaning against a wall that will shelter it and keep it warm. Itl prefers a slightly acid soil! Remember to weed well before planting, to avoid any risk of competition, especially with weeds and limit invasions and diseases. In a furrow 8 to 10 cm deep, ideally in a north-south oriented line, space each plant 1.5 meters, and also count 1.5 meters between the furrows. Enrich the topsoil with some compost when planting. Warning: do not bury the collar of the plant, it would slow down its growth.

Trellise my blackcurrant

Direct the growth of your raspberries before they become too large, partially to slow their development, which can turn out to be fairly quick, but also to insure optimum fruit production. If you have a full row of raspberries — lucky you ! — plant them in a line marked by small stakes, with wire connected to both sides of the stakes at a height between 40 - 80cm. Leave about 60cm of space between each plant. The blackcurrant bushes will grow yet remain contained between the wires, and you'll protect yourself from scratches when you pick them. If you only have one or two plants, you can use stakes to support the stems, but they need to be checked on regularly, even changing the stakes over the course of the season!

Reap my blackcurrant

For best flavour, only pick and eat well-ripened fruits. If your harvest is destined to become jam or pies, there's no point in being delicate about it. Pick the fruits in bunches without sorting them out, you'll have lots for the day. You'll be adding sugar when you cook them anyways, so a few under-ripe berries won't be a problem.

Mulch my blackcurrant

Mulch in April to maintain humidity. Water thoroughly and cover with a thick layer of mulch. You can use dried grass clippings, wood chips, bark, straw or dead leaves.

Water my blackcurrant

Unlike other berry producing plants, currants require quite a bit of water, especially during the first weeks after planting, and during the fruiting period. This need is even greater is they are kept in pots or experience periods of drought. Keep a moist substrate, but most importantly cover the roots with mulch. Depending on the quality of mulch, you may only need to add more on rare occasions.

Prune my blackcurrant

Prune your currants towards the end of winter, ideally in February. Temperatures must be kept mild and dry, with no risk of freezing. Prune extensively: first thin out the centre of the plant as light penetration is a key growth factor, and remove any bent or sickly stems. To rejuvenate aging roots, shorten the entire plant by pruning it's height by 1/3.

Propagate my blackcurrant

You may carry out a division at the end of winter. Dig up the plant, separate and remove old roots, and keep only the healthiest cuttings. Transplant the cuttings in light, nutrient rich soil — water copiously for a few weeks.

Check on my blackcurrant

Currants are sufficiently resistant to diseases overall. Nevertheless, you might be run into powdery mildew, which appears in felty, white patches on all or part of the plant, especially the leaves. Rust fungus causes orange-brown pustules on the undersides of leaves, and aphids will cause leaves to roll up and lose their original color. Keep an eye out for scale insects too! You may make a stinging nettle fertilizer to cure the effects of powdery mildew — you can even find 100% organic stinging nettle fertilizer in garden stores! Aphids feed primarily on leaves, especially in spring. To fight against aphids, adopt some ladybugs! There are lots of ways to get rid of aphids, so try to avoid the old, harmful method of spraying soapy water on fruit bearing plants.

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