Blackwood acacia (Acacia melanoxylon)
Care, watering, light and tips for Blackwood acacia on Floravia.
Quick facts
- Family: Fabaceae
- Difficulty: Easy to care for
- Watering: every 7 days
- Light: Full sun
- Temperature: 5–35 °C
- Toxicity: Toxic to pets
About Blackwood acacia
Acacia melanoxylon, commonly known as Australian Blackwood, is a fast-growing tree native to Australia that can reach significant heights. It is characterized by its dense foliage and creamy yellow flowers in spring. It's an excellent choice for urban landscaping, windbreaks, or as a standalone specimen in large gardens.
Native range
Australia and Tasmania
Care tips
It thrives in full sun exposure and well-drained soils, tolerating a wide range of soil types, even poor ones. Regular watering is needed during its first years to establish, becoming more drought-tolerant once mature. A common mistake is excessive pruning in its early stages, which can affect its natural structure. It is moderately frost-hardy.
How to save a dying Blackwood acacia
- Warning signs
- Yellowish or brown dropping leaves (phyllodes), dry branches, no flowering.
- First aid
- Check drainage and watering. Water if soil is dry, avoid waterlogging. Prune dead branches.
- What kills it
- Overwatering causing root rot, or prolonged drought when young. Lack of sun.
- Can it be saved?
- Yes, if rot is not extensive or drought damage not total. Act quickly.