Acacia melanoxylon R. Br.

vernacular blackwood — species · Fabaceae

USDA: ACME
GBIF: 2979000
Rank: species

blackwood (Acacia melanoxylon) — Platephotograph · Tony RoddCC BY-NC-SA source · iNaturalist ↗

§2Habit & range

Growth habit: Tree
Duration: Perennial
Group: Dicot
Family: Fabaceae Lindl.
Genus: Acacia

§2a

Native status, by region

HI Hawaii Introduced
L48 Lower 48 States Introduced

§2b

County-level range

· 15 counties across 2 states/territories

Legend Native · 0 Introduced · 15 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

§3b

Climate & soil

Cold tolerance: 14 °F minimum
Frost-free days: 180 min.
Precipitation: 16–40 in/yr
pH range: 6–8.3
Root depth: 28 in min.
Fertility need: Low
Soil texture: coarse, medium, fine

§3c

Form & growth

Growth form: Multiple Stem
Growth rate: Rapid
Lifespan: Short
Mature height: 40 ft
Height @ 20 y: 40 ft
Foliage texture: Fine
Foliage colour: Dark Green
Porosity (summer): Moderate
Porosity (winter): Moderate
Flower colour: White
Fruit colour: Brown
Fire resistant: No
N fixation: Medium
Toxicity: None

§3d

Reproduction

Bloom period: Early Spring
Seed abundance: High
Seed begins: Summer
Seed ends: Fall
Spread rate: Slow
Stratify: No
Seeds / lb: 31,200
Propagation: seed, cuttings, bare root, container

§3e

Use & availability

Commercial availability: No Known Source
Nursery stock: Yes
Browse palatability: Low
Palatable, human: No
Protein potential: Low
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 15 counties across 2 states/territories.

California view state ↗ 13 I ▾

Hawaii view state ↗ 2 I ▾

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/ACME ↗

GBIF Backbone

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

gbif.org/species/2979000 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z