How to Fertilize prickly myrtle?
Balanced perennial feed every four weeks from spring through summer

prickly myrtle · Rhaphithamnus spinosus
Under glass, grow in ericaceous potting compost with additional leafmould, in bright, filtered light. When in growth, water freely and apply a balanced liquid fertiliser monthly; water sparingly in winter. Outdoors grow in acid to neutral, moist but well-drained soil in full sun or partial shade, preferably against a warm wall
Balanced perennial feed every four weeks from spring through summer