Arrowleaf Rattlesnakeroot
Nabalus sagittata
- Native to:
- Canada, United States
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Nabalus
- Species:
- Nabalus sagittata
- USDA Symbol:
- PRSA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- aug,sep,oct
- Bloom Colors:
- white, cream, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- well-drained, sandy or rocky soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
The above propagation data sourced from Claude AI
Pre-treatment: 5 month outdoor cold, moist stratification. A minimum of 150 day cold, moist stratification is recommended for other species in this genus.
Establishment: Seeds are hand collected in early October when achenes turn grey and are easily removed from the disc. Seeds are collected in paper bags and kept in a well ventilated drying shed prior to cleaning. P. sagitatta occurs in moist, often shaded locations, from Alaska and Alberta to western Montana and northern Idaho.
Source: npn.rngr.net