How to Fertilize rhododendron 'Double Damask'?
Acidic rhododendron feed every four weeks spring through autumn

rhododendron 'Double Damask' · Rhododendron 'Double Damask'
Suitable for an open site but best grown in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation
Acidic rhododendron feed every four weeks spring through autumn