How to Fertilize rhododendron 'Canzonetta'?
Acidic rhododendron feed monthly spring until early autumn
rhododendron 'Canzonetta' · Rhododendron 'Canzonetta'
Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; suitable for a sunny position if the soil remains reliably moist; see rhododendron cultivation
Acidic rhododendron feed monthly spring until early autumn