Limestone Adderstongue
Ophioglossum engelmannii
- Native to:
- Costa Rica, Honduras, Mexico, United States
Mason Brock ( Masebrock (en.wikipedia.org) )
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Ophioglossaceae
- Genus:
- Ophioglossum
- Species:
- Ophioglossum engelmannii
- USDA Symbol:
- OPEN
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 16 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:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers undisturbed, shaded habitats
Propagation & Germination
- Notes:
- Fern reproduces by spores; spore germination requires moist, shaded conditions and symbiotic mycorrhizal fungi.
The above propagation data sourced from Claude AI