Blackwood

Blackwood

Blackwood Preferred Commercial Species

Scientific Name

Acacia melanoxylon

Family Name

MIMOSACEAE

Common Name

Blackwood

General Information

Height 8.0m - 30.0m (800-3000cm)
Flowers Dense pale yellow heads, globular of 30-50 flowers on stout stalks.
Fruit Seed pods
Form Large erect tree or large shrub.
Municipalities Break O'Day; Brighton; Burnie; Central Coast; Central Highlands; Circular Head; Clarence; Derwent Valley; Devonport; Dorset; Flinders Island; Georgetown; Glamorgan-Spring Bay; Glenorchy; Hobart; Huon Valley; Kentish; King Island; Kingborough; Latrobe; Launceston; Meander Valley; Northern Midlands; Sorell; Southern Midlands; Tasman; Waratah-Wynyard; West Coast; West Tamar
Communities Coastal Vegetation; Dry Eucalypt Forest and Woodland; Rainforest; Riparian; Wet Eucalypt Forest
Habitat Notes Exposed; Moist; Shady; Windy
Site Tolerance Exposed; Moist; Shady; Windy
Frost Tolerance Hardy
Soil Tolerance Fertile; Loam; Poorly-drained; Well-drained
General Notes Good shade tree and shelter in windbreaks. Useful in controlling erosion as it has a vigorous spreading root system and improves soil fertility. It suckers readily or regenerates from seed after disturbance such as fire, ploughing or ripping making it useful for rehabilitative works. Resistant to livestock damage., but young plants are very susceptible to wallaby browsing etc.Resistant to Phytophthora cinnamomi. Susceptible to browsing by hares and rabbits.Koori (mainland) use: The fine hard wood was used to make spearthrowers and shields. Fibre from the inner bark was used to bathe rheumatic joints. The bark and twigs were reputedly used to stupefy fish, enabling easy capture. The gum is edible. Not suitable below powerlines.

Propagation Details

Flowering Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Seed Collecting Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sowing Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cutting Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Seed Information

Seed Collection Seed pods flattish,curved or coiled 4-12cm long. pick pods just as they start to dry and change colour. spread on sheets. sieve to isolate
Seed Treatment Method Boiling water
Seed Storage Life Very long
Viable Seeds Per Gram 36-45
Seed Treatment Notes Pour boiling water over the seed and allow to soak for 24 hours before sowing. Alternatively boil the seed for about 10 secs before plunging it into cold water and sowing.
Germination Time 2-4 weeks
Suitable For Direct Seeding Yes

Cuttings

Propagation By Division No
Cutting Notes Most Acacias are readily propagated by seed. Cuttings are possible with "phyllode bearing" Acacias, more so than with "feathery leaved" species.