How to Fertilize Rosa longicuspis?
Rose fertilizer every two to four weeks from spring through late summer

Rosa longicuspis · Rosa longicuspis
Grow in fertile, humus-rich, moist but well-drained soil in full sun or part shade. 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. Tolerant of north-facing aspects, poor soils and good for growing up into large trees. See rose cultivation
Rose fertilizer every two to four weeks from spring through late summer