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

rose 'Ruby Wedding' · Rosa 'Ruby Wedding'
Grow in fertile, humus-rich, moist but well-drained soil in full sun. Mulch with well-rotted organic matter in late winter or early spring, and for best flowering apply a general rose or shrub fertiliser in early spring and again in early summer. Suited to container cultivation. See rose cultivation
Rose fertilizer every two to four weeks from spring through late summer