How to Fertilize rhododendron 'Norma'?
Ericaceous rhododendron feed monthly spring and summer growth

rhododendron 'Norma' · Rhododendron 'Norma'
Suitable for an open site but best grrown in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation
Ericaceous rhododendron feed monthly spring and summer growth