How to Fertilize rose [Iceberg]?
Rose fertilizer every two to four weeks from spring through late summer
rose [Iceberg] · Rosa Iceberg ('Korbin')
Grow 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
Rose fertilizer every two to four weeks from spring through late summer