Leathery Grapefern
Botrychium robustum
- Native to:
- Aleutian Is., China, India, Japan, Korea, Kuril Is., Nepal, Russia, United States
iNaturalist: © tatjana_koroteeva05 (iNaturalist #304919739)






Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Ophioglossaceae
- Genus:
- Botrychium
- Species:
- Botrychium robustum
- USDA Symbol:
- BORO6
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, well-drained loamy soil
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
Propagation & Germination
- Notes:
- Ferns reproduce via spores, not seeds. Botrychium spores require mycorrhizal fungi for germination and development of the underground gametophyte phase, which can take several years.
The above propagation data sourced from Claude AI