How to Fertilize swamp azalea?
Ericaceous fertilizer monthly from spring through late summer

swamp azalea · Rhododendron viscosum
Also known as: swamp honeysuckle; white swamp honeysuckle
Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; sun tolerant if soil remains reliably moist; see rhododendron cultivation
Ericaceous fertilizer monthly from spring through late summer