How to Fertilize evergreen rose?
Balanced climbing rose feed biweekly spring through summer

evergreen rose · Rosa sempervirens
Grow in fertile, humus-rich, moist but well-drained soil in a sheltered position with full sun or light shade. Good for growing into a tree. 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. See rose cultivation
Balanced climbing rose feed biweekly spring through summer