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

rhododendron 'Olivia' · Rhododendron 'Olivia'
Grow in light dappled shade, in a site sheltered from cold, dry winds and late frosts, in moist but well-drained, humus-rich, acidic soil, preferably between pH4.5 and pH5.5; will also tolerate sun and dry soil; for more advice, see rhododendron cultivation
Ericaceous feed in spring and lightly after bloom