How to Fertilize Rhododendron 'Cupcake'?
Ericaceous fertilizer monthly from spring through late summer

Rhododendron 'Cupcake' · Rhododendron 'Cupcake'
Grow in moist but well-drained, leafy, humus-rich acid soil, this cultivar is suitable for full sun as well as light shade. See rhododendron cultivation for more detailed advice
Ericaceous fertilizer monthly from spring through late summer