Gray Sheoak
Casuarina glauca
- Native to:
- Australia, Guam, U.S. Minor Outlying Islands
Krzysztof Ziarnek, Kenraiz






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Casuarinaceae
- Genus:
- Casuarina
- Species:
- Casuarina glauca
- USDA Symbol:
- CAGL11
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 2000 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
Wildlife Benefits
- Butterflies & Moths:
- ★★★★☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- birds
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from lignotubers after fire; seeds also released from serotinous cones.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- tolerates dry to moderate moisture
- Notes:
- often found in coastal and riverine areas