How to Fertilize bramble rose?
Balanced rose shrub feed applied once yearly early spring growth

bramble rose · Rosa rubus
Grows best in fertile, humus-rich, moist but well-drained soil in a sunny, open position. Good for a pergola or growing into a tree. Mulch in late winter and, to improve flowering, apply a balanced fertiliser in late winter or early spring. See rose cultivation
Balanced rose shrub feed applied once yearly early spring growth