Wahiawa Stream Violet 🛑 Endangered
Viola helenae
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Violaceae
- Genus:
- Viola
- Species:
- Viola helenae
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 2-3 ft
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
- Bee Keystone:
- ★☆☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to forested areas with organic matter
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: OpenAI GPT-4o