Thornless blackberry Rubus 'Black Satin' Black - Bio - Hardy plantThe blackberry 'Black Satin' (Rubus fructicosus) has got it all! Organic, thornless, sweet and delicious. Growing fresh blackberries in the garden is simple and fun. You can go berry picking without all those nasty thorns in the way. You might well encounter some butterflies and bees! The fruit shrub can be planted in a pot on the balcony. The perennial fruit bush blossoms in the spring. A crop will be ready to harvest from summer onwards in the