Limestone Adderstongue

Ophioglossum engelmannii

Native to:
Costa Rica, Honduras, Mexico, United States
Limestone Adderstongue

Mason Brock ( Masebrock (en.wikipedia.org) )

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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