Common Lomatium
Lomatium utriculatum
- Native to:
- Canada, United States
brewbooks (www.flickr.com) from near Seattle, USA





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Lomatium
- Species:
- Lomatium utriculatum
- USDA Symbol:
- LOUT
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Depressaria besma, Anise Swallowtail (Papilio zelicaon)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, beneficial insects
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from deep taproot after fire; typical of grassland and oak savanna habitats with periodic burns.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Prefers open, sunny locations in native habitat
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification; germination can be erratic. Surface sow or lightly cover.
The above propagation data sourced from Claude AI
Pre-treatment: None required
Establishment: Seeds should be collected immediately prior to or when fruit is completely ripe and dry on plant from mid-spring to mid summer. The plant is generally distributed from southern California north into British Columbia from 50-1550M elevation.
Source: npn.rngr.net