About

Rhododendron oblongifolium is a naturally occurring deciduous azalea species producing the characteristic oblong-leafed foliage and typical white or pale flowers of the genus in late spring to early summer. A rewarding native American azalea for a sheltered, moist, acidic garden.

About the genus

Rhododendron, one of the largest and most diverse shrub genera, includes evergreen and deciduous species and hybrids ranging from dwarf alpines to large trees, all preferring moist, well-drained, acidic soil in sheltered positions with dappled shade or full sun.

Plant details

Suggested usesWoodland gardens, specialist collections

Care notes

CultivationAcidic, moist, humus-rich soil in sheltered dappled shade
PruningAllow natural form. Deadhead if practical
PropagationSeed for species integrity. Cuttings also possible
Pest resistanceGenerally pest-free
Disease resistanceRoot rot in poor drainage. Protect tender species from frost