How to Fertilize rose 'Star Performer'?
Rose fertilizer every two to four weeks from spring through late summer

rose 'Star Performer' · Rosa 'Star Performer'
Grow on an arch, obelisk, pillar or narrow trellis, in full sun or light shade, and in well-drained, moderately fertile, humus-rich soil; for more advice, see rose cultivation
Rose fertilizer every two to four weeks from spring through late summer