Philadelphus delavayi is a magnificent highly scented shrub with masses of white flowers in June-July. HOWEVER, it gets big! which is great if you have the space. If not melanocalyx and purpurascens are more restrained. I love them all..........
2 Litre
(second photo is Philadelphus delavayi over Tianchi Lake, Yunnan)
| Hardiness | H4 |
| Soil | Any decent well-drained soil |
| Aspect | Sun or Shade |