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Magnolia obovata, photographed by an iNaturalist contributor
(c) Peter Zika, some rights reserved (CC BY-NC), uploaded by Peter Zika · CC BY-NC
#1801 most planted

Magnolia obovata

Japanese cucumber tree · also Japanese bigleaf magnolia, Japanese whitebark magnolia, Whitebark magnolia

Deciduous
18
trees mapped
0.00%
of all named trees
4
cities
7.5 in
median trunk (19 cm, 18 measured)
9.6 yr
median age (33% have a planting date)

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Magnolia obovata is a large deciduous tree native to Japan and the Kuril Islands, characterized by its gray bark, large green obovate leaves up to 18 inches, and striking white floral display followed by waxy red seed cones. It thrives in full sun with consistent moisture and rich, well-drained soils.

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
    7—15 in
  2. Tokyo · Japan
    5—8.5 in
  3. Boston · United States
    4—1.8 in
  4. Helsinki · Finland
    2—2.0 in

No city in this list records planting dates for this species, so age is blank throughout.

Traits

Foliage
Deciduous
Mature height
50 ft
Canopy spread
30 ft
Sun
Full sun
Soil
Rich, Well-drained
Water needs
Moderate
Wildlife value
Moderate
Blooms
Jun, Jul, Aug

Trunk diameters across every city: median 7.5 in, mean 7.9 in, 90th percentile 15 in. Measured at breast height, as published by each inventory.

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).