Hawai'I Silversword
Argyroxiphium sandwicense
- Native to:
- Hawaii, United States
iNaturalist: © djlavor (iNaturalist #306630424)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Argyroxiphium
- Species:
- Argyroxiphium sandwicense
- USDA Symbol:
- ARSA5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- purple, maroon
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Garden & Ecology Notes
- Wildlife Value:
- birds, native insects
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, volcanic, well-drained soil
- pH:
- 5.5 - 6.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to high-elevation volcanic slopes in Hawaii