How to Fertilize Rosa 'Ramona'?
Rose bloom fertilizer every fourteen days during active blooming cycle

Rosa 'Ramona' · Rosa 'Ramona'
Grow in fertile, humus-rich, moist but well-drained soil in full sun. 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. Suited to shade and a north-facing aspect in a sheltered spot. See rose cultivation
Rose bloom fertilizer every fourteen days during active blooming cycle