---
title: Ironbark
date: 2024-02-14T11:56:00+11:00
author: Private Forests Tasmania
canonical_url: "https://pft.tas.gov.au/tree-species/ironbark"
section: Tree Species
---
1. [Private Forests Tasmania](/)
2. Ironbark
 

#  Ironbark 

 

 

 

 

 

 ![Eucalyptus sieberi buds](https://pft.tas.gov.au/volumes/images/Tree-Species/_800x800_crop_center-center_none/105877/Eucalyptus-sieberi-buds.webp) 

## Scientific Name

Eucalyptus Sieberi

## Family Name

MYRTACEAE

## Common Name

Ironbark

 

 

### General Information

 

  Height 15.0m - 30.0m (1500-3000cm)   Flowers Umbels with 5-15 flowers.   Fruit Woody capsule   Form Tree   Municipalities Break O'Day; Dorset; Glamorgan-Spring Bay; Northern Midlands; Waratah-Wynyard   Communities Dry Eucalypt Forest and Woodland   Habitat Notes Local in the north east from sea level to c.600m. Usually found on steep slopes with gravelly soils. Often forms pure stands w ith almost totally absent understoreys.   Site Tolerance Dry; Rocky   Frost Tolerance Moderate   Soil Tolerance Loam; Poor; Well-drained   General Notes Produces valuable hardwood. May be quite ornamental, with dark hard deeply furrowed bark on trunk and branches, chalky white, young twigs reddish. Not suitable for suburban gardes due to mature size. Not suitable below powerlines.   

 

### Propagation Details

Flowering MonthsJanFebMarAprMayJunJulAugSepOctNovDecSeed Collecting MonthsJanFebMarAprMayJunJulAugSepOctNovDecSowing MonthsJanFebMarAprMayJunJulAugSepOctNovDecCutting MonthsJanFebMarAprMayJunJulAugSepOctNovDec 

 

 

### Seed Information

 

  Seed Collection Collect capsules and store in paper bags until valves open to release seed. a reliable seeder, best months to collect sept.-feb   Seed Treatment Method Standard   Seed Storage Life 10 years at 4oC   Viable Seeds Per Gram 110   Seed Treatment Notes 6-8 weeks to pricking out.   Germination Time 2-4 weeks   Suitable For Direct Seeding Yes   

 

### Cuttings

 

  Propagation By Division No