Columbia River Wormwood
Artemisia ludoviciana subsp. lindleyana
- Native to:
- United States
GBIF: Scott Mincemoyer
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Artemisia
- Species:
- Artemisia ludoviciana subsp. lindleyana
- USDA Symbol:
- ARLI2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jul,aug,sep
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Phaneta artemisiana, Phaneta infimbriana, Painted Lady (Vanessa cardui)
Garden & Ecology Notes
- Wildlife Value:
- small mammals, seed-eating birds
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Vigorously resprouts from rhizomes after fire. Fire promotes new growth and can increase stand vigor in prairie ecosystems.
Soil Requirements
- Soil Type:
- sandy or rocky, well-drained soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- adapted to arid and semi-arid environments
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination; surface sow or barely cover. Variable germination rates are common.