Eucalyptus robusta Sm.

vernacular swampmahogany — species · Myrtaceae

USDA: EURO2
GBIF: 3176743
Rank: species

swampmahogany (Eucalyptus robusta) — Platephotograph · Marco Ebeling source · iNaturalist ↗

§2Habit & range

Growth habit: Tree
Duration: Perennial
Group: Dicot
Family: Myrtaceae Juss.
Genus: Eucalyptus

§2a

Native status, by region

HI Hawaii Introduced
L48 Lower 48 States Introduced

§2b

County-level range

· 1 county across 1 state

Legend Native · 0 Introduced · 1 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: Low
Shade: High
Moisture use: Medium
Fire: High
Salinity: None
Anaerobic: Medium
CaCO₃: None
Hedging: Low

§3b

Climate & soil

Cold tolerance: 16 °F minimum
Frost-free days: 340 min.
Precipitation: 40–250 in/yr
pH range: 4.5–6.5
Root depth: 24 in min.
Fertility need: Medium
Soil texture: coarse, medium, fine

§3c

Form & growth

Growth form: Single Stem
Growth rate: Rapid
Lifespan: Long
Mature height: 160 ft
Height @ 20 y: 85 ft
Foliage texture: Coarse
Foliage colour: Gray-Green
Porosity (summer): Moderate
Porosity (winter): Moderate
Flower colour: Yellow
Fruit colour: Green
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Late Winter
Seed abundance: Medium
Seed begins: Summer
Seed ends: Fall
Spread rate: Moderate
Stratify: No
Seeds / lb: 136,000
Propagation: seed, bare root, container

§3e

Use & availability

Commercial availability: Routinely Available
Nursery stock: No
Browse palatability: Low
Palatable, human: No
Lumber: No
Fuelwood: High
Christmas tree: No

§4Counties, by state

Recorded in 1 county across 1 state.

Florida view state ↗ 1 I ▾

Monroe 12087

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/EURO2 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3176743 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T10:50:45Z