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Rhododendron kaempferi, photographed by an iNaturalist contributor
(c) Qwert1234, some rights reserved (CC BY-SA) · CC BY-SA
#1349 most planted

Rhododendron kaempferi

Torch azalea · also Kaempferi azalea

56
trees mapped
0.00%
of all named trees
2
cities
1.6 in
median trunk (4 cm, 43 measured)
8.2 yr
median age (77% have a planting date)

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Rhododendron kaempferi, also known as torch or Kaempferi azalea, is a semi-evergreen shrub native to Japan. It belongs to the Ericaceae family and is recognized for its diverse flower colors, with the 'Orange King' cultivar having received an award. This species is a popular ornamental plant.

Where it grows

Trees in each city's inventory, with the share of that city's named trees this species accounts for.

  1. Boston · United States
    438.2 yr1.6 in
  2. Tokyo · Japan
    13——

Native range

Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.

Temperate Broadleaf & Mixed Forests

  • Nihonkai evergreen forests
  • Taiheiyo evergreen forests

Other Rhododendron in the catalogue

20 of the top 2,000 species are in this genus.

Interested in talking trees? arborary.world@gmail.comTree data © the respective municipal publishers and © OpenStreetMap contributors (ODbL).