How to Fertilize rose 'Sarah van Fleet'?
Rose specialized fertilizer every two weeks active growing months

rose 'Sarah van Fleet' · Rosa 'Sarah van Fleet'
Grow in full sun or partial shade and moderately 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. Good for hedging and shady areas. See rose cultivation for further advice
Rose specialized fertilizer every two weeks active growing months