How to Fertilize rock rose 'Prima Donna'?
Balanced perennial feed every four weeks from spring through summer

rock rose 'Prima Donna' · Helianthemum 'Prima Donna'
Grow in moderately fertile, neutral to alkaline, well-drained soil in full sun. Will not tolerate waterlogging. May benefit from protection in cold winters
Balanced perennial feed every four weeks from spring through summer