How to Fertilize rose 'Blanche Double de Coubert'?
Rose fertilizer every two to four weeks from spring through late summer

rose 'Blanche Double de Coubert' · Rosa 'Blanche Double de Coubert'
Easy to grow, dense, compact rugosa rose. Grow in full sun with moderately 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. Large fruits only set intermittently. Good autumn colour, suitable for hedging and tolerant of poor soil and shade. See also rose cultivation
Rose fertilizer every two to four weeks from spring through late summer