White Rosemallow
Hibiscus arnottianus
- Native to:
- Hawaii
iNaturalist: © nelruzam (iNaturalist #151239456)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Malvaceae
- Genus:
- Hibiscus
- Species:
- Hibiscus arnottianus
- USDA Symbol:
- HIAR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 900 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- white, pink
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Butterflies & Moths:
- ★★★★★ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to Hawaiian forests, prefers organic matter