Serpentine Monkeyflower
Diplacus layneae
- Native to:
- United States
iNaturalist: © lithostrotionella (iNaturalist #78605805)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Phrymaceae
- Genus:
- Diplacus
- Species:
- Diplacus layneae
- USDA Symbol:
- MIBR
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- magenta, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Occurs in fire-prone chaparral and woodland; likely benefits from post-fire seed germination.
Soil Requirements
- Soil Type:
- rocky, well-drained, sandy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to chaparral and rocky slopes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily after cold stratification; surface sow on well-drained medium.