How to Fertilize rose 'Wedding Day'?
Rose fertilizer every two to four weeks from spring through late summer

rose 'Wedding Day' · Rosa 'Wedding Day'
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, shade and a north-facing aspect; suitable for climbing into trees
Rose fertilizer every two to four weeks from spring through late summer