Jostaberry Scientific Name, Ribes x nidigrolaria is native to Germany.
Jostaberry is a vigorous, multi-branched, small, eglandular, deciduous shrub.
Leaves are alternate, sub-orbicular, and palmately lobed.
The Jostaberry is a cross fruit bush in the Ribes genus.
Its fruit is globose larger than black currant but smaller than gooseberry and can reach up to 1cm in diameter, containing few to, many seeds.
The fruit first develops into green fruit veining typical of gooseberry fruit, then turn pink to red as they mature.
Then finally they turn a deep opaque purple-black more like a blueberry.