Skip to content
Magnolia sieboldii, photographed by an iNaturalist contributor
(c) Harald [ha75], some rights reserved (CC BY-NC-SA) · CC BY-NC-SA
#1487 most planted

Magnolia sieboldii

Siebold's magnolia · also Korean mountain magnolia, Oyama magnolia

OrnamentalDeciduous
38
trees mapped
0.00%
of all named trees
6
cities
3.0 in
median trunk (8 cm, 37 measured)

Report an issue with this species

Magnolia sieboldii is a deciduous small tree or large shrub native to East Asia. It is known for its distinctive nodding white flowers with vibrant pink stamens. This species is sensitive to poor soils and requires protection from direct sun, strong winds, and cold temperatures in urban plantings.

Where it grows

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

  1. Vancouver · Canada
    26—3.0 in
  2. Boston · United States
    523 yr8.0 in
  3. New Westminster · Canada
    2—5.3 in
  4. Paris · France
    2—7.1 in
  5. Helsinki · Finland
    2—2.0 in
  6. Amsterdam · Netherlands
    1——

Traits

Form
Ornamental
Foliage
Deciduous
Mature height
5–15 ft
Canopy spread
6–15 ft
Sun
Part shade
Water needs
Moderate
Wildlife value
Moderate
Blooms
Mar, Apr, May

Trunk diameters across every city: median 3.0 in, mean 6.4 in, 90th percentile 14 in. Measured at breast height, as published by each inventory.

Native range

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

Temperate Broadleaf & Mixed Forests

  • Central China Loess Plateau mixed forests
  • Central Korean deciduous forests
  • Northeast China Plain deciduous forests

Other Magnolia in the catalogue

32 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).