Gray's Licorice-Root
Ligusticum grayi
- Native to:
- United States
Walter Siegmund (talk)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Ligusticum
- Species:
- Ligusticum grayi
- USDA Symbol:
- LIGR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 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
Anise Swallowtail (Papilio zelicaon)
Reported Fauna Sightings
Bees: Fuzzy-horned bumble bee (Bombus mixtus), Two-form bumble bee (Bombus bifarius), Yellow-faced bumble bee (Bombus vosnesenskii)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, native bees, beneficial insects
- Deer Resistant:
- Yes
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to mountainous regions, prefers cooler climates
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require cold stratification; germination can be erratic. Light may improve germination rates.
The above propagation data sourced from Claude AI