How to Fertilize Rosa 'Doktor Eckener'?
Rose-specific fertilizer every few weeks during spring and summer growth

Rosa 'Doktor Eckener' · Rosa 'Doktor Eckener'
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. See rose cultivation
Rose-specific fertilizer every few weeks during spring and summer growth