How to Fertilize Fedtschenko rose (of gardens)?
Rose fertilizer every two to four weeks from spring through late summer

Fedtschenko rose (of gardens) · Rosa fedtschenkoana [Misapplied]
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. Tolerant of poor soils and suitable for hedging
Rose fertilizer every two to four weeks from spring through late summer