Azaleas and Rhododendrons must be planted in moist, cool and acidic soil to stay healthy. They prefer to grow in a humus medium and do not take kindly to dry, sandy soil or heavy clay that does not drain well.
Rhododendron 'September Song'
Rhododendron 'Seta'
Rhododendron 'Shamrock'
Rhododendron 'Sierra Sunrise'
Rhododendron 'Snowlady'
Rhododendron 'Starbright Champagne'
Rhododendron 'Strawberry Chiffon'
Rhododendron 'Teddy Bear'
Rhododendron 'Unique Marmalade'
Rhododendron 'Unique'
Rhododendron 'Whisperingrose'
Rhododendron 'Windsong'
Rhododendron 'Yaku Princess'
Rhododendron diversipilosum 'Milky Way' (formally tomentosum)
Rhododendron impeditum
Rhododendron indicum 'Balsaminiflora'
Rhododendron kiusianum 'Murasaki Shikibu'
Rhododendron lutescens
Rhododendron macrosepalum 'Linearifolium'
Rhododendron nakaharai 'Mt. Seven Star'
Rhododendron pemakoense
Rhododendron ponticum 'Variegatum'
Rhododendron racemosum
Rhododendron radicans
Rhododendron rigidum
Rhododendron spiciferum
Rhododendron yakushimanum x williamsianum
Rhododendron yedoense v. poukhanense