Masterwort
Peucedanum ostruthium
- Native to:
- Austria, Corse, Czechia-Slovakia, France, Germany, Italy, NW. Balkan Pen., Poland, Spain, Switzerland
Franz Eugen Köhler, Köhler's Medizinal-Pflanzen




Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Peucedanum
- Species:
- Peucedanum ostruthium
- USDA Symbol:
- PEOS2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, beneficial insects
- Deer Resistant:
- Yes
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers cool, shaded environments
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination. Fresh seed germinates best; older seed may have reduced viability.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C 6 wks then 4C 6 wks then slowly raise to 10C 6 wks. Repeat if no germination.