Lyall's Angelica
Angelica arguta
- Native to:
- Canada, United States
Thayne Tuason
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Angelica
- Species:
- Angelica arguta
- USDA Symbol:
- ANAR3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Reported Fauna Sightings
Garden & Ecology Notes
- Wildlife Value:
- bees, beneficial insects, butterflies
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- moist, rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Fresh seed germinates best; viability decreases rapidly with storage. Light may improve germination.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds soaked in 200 mg of activated charcoal per 0.5 liter of water for 24 hours, then placed in 90 day cold, moist stratification in fine mesh bags buried in moist peat moss in ventilated containers under refrigeration at 1 to 3C.
Establishment: Seeds are hand collected in late August/early September when seeds turn brown and are easily stripped from the inflorescence. They are kept in paper bags in a well ventilated drying shed during the drying process and prior to cleaning.
Source: npn.rngr.net
ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring. Requires soaking 24-48 hrs; discard floaters.