How to Fertilize Rhododendron 'Schwanensee'?
Ericaceous feed in spring and lightly after bloom

Rhododendron 'Schwanensee' · Rhododendron 'Schwanensee'
Grow in moist but well-drained, leafy humus-rich, acid soil. Shallow planting is essential, will not tolerate deep planting. See rhododendron cultivation
Ericaceous feed in spring and lightly after bloom