Ternate Grapefern
Botrychium rugulosum
- Native to:
- Canada, United States
iNaturalist: © m-bibittes (iNaturalist #68332940)
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Ophioglossaceae
- Genus:
- Botrychium
- Species:
- Botrychium rugulosum
- USDA Symbol:
- BORU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 20 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers undisturbed forest floors
Propagation & Germination
- Notes:
- Botrychium species reproduce primarily via underground gametophytes and have complex, poorly understood germination requirements involving mycorrhizal fungi.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI