Leathery Grapefern

Botrychium robustum

Native to:
Aleutian Is., China, India, Japan, Korea, Kuril Is., Nepal, Russia, United States

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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