How to Fertilize rose 'Prosperity'?
Rose feed in spring and after each major flush

rose 'Prosperity' · Rosa 'Prosperity'
Grows best in full sun with fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring and a balanced fertiliser again in early summer - see rose cultivation. Tolerant of poor soil, part shade, and suitable for hedging
Rose feed in spring and after each major flush