Blue Gum
Eucalyptus globulus
Taxonomy
- Genus
- Eucalyptus
- Family
- Myrtaceae
- Higher classification
- Myrtales
- Plant type
- Tree
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Australia, Tasmania
- Distribution
- Widely planted in Mediterranean climates, California, South Africa, and parts of South America
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Normal
- Minimum
- 5 °C
- Maximum
- 40 °C
- Optimal
- 15-30 °C
- USDA hardiness zones
- 8-11
- Soil pH
- 6.0-7.5
- Soil type
- well-draining loam
Watering. Water regularly during the first year to help establish roots; once mature, it is drought tolerant and requires less frequent watering.
Blue Gum eucalyptus is a fast-growing tree that prefers full sun and well-drained soil. It tolerates drought once established but can be sensitive to frost. It requires moderate maintenance, mainly monitoring water especially when young.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Tall, straight trunk with smooth, peeling blue-green bark and aromatic blue-gray leaves. It produces clusters of small white flowers.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Potentially invasive
Leaves contain oils that can be mildly toxic if ingested by humans and pets; avoid ingestion.
Common problems
Overwatering can cause root rot; young plants may be damaged by frost; in some areas, eucalyptus can become invasive.
Uses
Used mainly as an ornamental tree, for timber, and for its fragrant oils. It is also planted for erosion control and windbreaks.
Notes
Prune young trees to encourage strong growth and remove suckers. Be aware of its potential to spread aggressively outside cultivation areas.