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Eucalyptus robusta, photographed by an iNaturalist contributor
(c) Nathanael Green, some rights reserved (CC BY-NC) · CC BY-NC
#557 most planted

Eucalyptus robusta

Swamp mahogany · also Swamp messmate, Swampmahogany, Swamp stringybark

BroadleafEvergreen
1,259
trees mapped
0.01%
of all named trees
5
cities
18 in
median trunk (46 cm, 1,223 measured)
35 yr
median age (76% have a planting date)

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Eucalyptus robusta, commonly known as Swamp Mahogany, is a tall evergreen tree native to eastern Australia, reaching up to 100 ft (30 m) in height. It thrives in swampy or waterlogged soils, featuring thick, spongy, reddish-brown bark, broad dark green leaves, and white to cream flowers that bloom from autumn to winter. The species offers excellent drought tolerance and provides food for koalas, insects, bees, and birds.

Where it grows

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

  1. Los Angeles · United States
    95335 yr21 in
  2. Taipei · Taiwan
    257—16 in
  3. Melbourne · Australia
    26—3.8 in
  4. San Francisco · United States
    22—16 in
  5. Buenos Aires · Argentina
    1—25 in

Traits

Form
Broadleaf
Foliage
Evergreen
Mature height
50–100 ft
Canopy spread
30–75 ft
Lifespan
200 years
Soil
Waterlogged
Water needs
Low
Drought tolerance
High
Wildlife value
High
Tolerates
coastal, salt
Blooms
Mar, Apr, May, Jun, Jul, Aug

Trunk diameters across every city: median 18 in, mean 21 in, 90th percentile 33 in. Measured at breast height, as published by each inventory.

Other Eucalyptus in the catalogue

57 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).