How to Fertilize rhododendron 'Fireball'?
Ericaceous feed in spring and lightly after bloom

rhododendron 'Fireball' · Rhododendron 'Fireball'
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
Ericaceous feed in spring and lightly after bloom