Large fast-growing Australian eucalyptus, widely planted globally. Essential oil from the leaves is a traditional respiratory and decongestant remedy.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 8–11 | −12.2 °C to 10 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H4 | −10 °C to −5 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 8–9 | −7 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 4–7 | 0 °C and warmer | Plant tolerates down to this zone |
Growing notes
- Highly flammable — fire risk in fire-prone landscapes; not appropriate close to dwellings in bushfire-vulnerable regions
- Drops large branches without warning — do not site over paths or buildings
- Eucalyptus oil is toxic if ingested in any quantity — even teaspoons can be life-threatening
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
Pet caution: Eucalyptus — Blue gum is listed as potentially harmful to cats and/or dogs. Keep pets from grazing on it, and contact a vet if you suspect your animal has eaten some.
Categories
Related plants
Cross-check Eucalyptus — Blue gum against your zones