Rhododendron maddenii

Rhododendron maddenii is a rhododendron species native to Bhutan, northern India, northeast Myanmar, Sikkim, Thailand, northern Vietnam, and southwestern China, where it grows at altitudes of. It is an evergreen shrub or small tree growing to in height, with leathery leaves that are lanceolate, oblong-oblanceolate, or elliptic, 5–15 by 2–8 cm in size. The flowers are predominantly white, very fragrant, and unusually produced during May and June. However, it dislikes freezing temperatures, and is more likely to thrive in warm or coastal temperate climates such as Cornwall, UK.