Redcurrant Ribes rubrum 'Jonkheer van Tets' - Organic red - Hardy plantRedcurrants. Fresh from your own garden. That's so summery! The currant 'Jonkheer van Tets' (Ribus rubrum) is organically grown and has a tart flavour. We grow these self pollinating berries in our garden, balcony or terrace. The shrub attracts butterflies and bees. The perennial fruit bush blossoms in the spring, revealing green and white flowers. A crop will be ready to harvest from summer onwards in the second year after planting. Currants require