Blackcurrant can damage both unopened and open flowers when the temperature falls below . The flowers at the base of the strig are more protected by the foliage and are less likely to be damaged. In midsummer the strigs of green fruit ripen to edible berries, very dark purple in colour, almost black, with glossy skins and persistent calyxes at the apex, each containing many seeds. An established bush can produce about 4.5 kilograms (10 pounds) of fruit each year. Plants from Northern Asia are sometimes distinguished as a separate variety, "Ribes nigrum" var. "sibiricum", of which "Ribes cyathiforme" is considered
Ribes malvaceum and about twice as long as it is wide. The sepals are pink-purple in color and are 4–6 mm. Petals are 2–3 mm and can range in color from pink shades to white. The flower also contains two fused styles which are fused to the tip and have a hairy base. Striking glaucous purple berries are produced. The (6–7 mm fruit is glandular and covered by white hairs. There are several varieties of "R. malvaceum": "Ribes malvaceum" is cultivated as an ornamental plant by specialty plant nurseries. It is used in traditional gardens, native plant landscapes, and as bird food