Lanceleaf Grapefern

Botrychium lanceolatum

Native to:
Austria, Baltic States, Canada, China, Finland, France, Greenland, Iceland, Italy, Japan, Kuril Is., Labrador, Norway, Poland, Russia, Sweden, Switzerland, United States

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Taxonomy

Division:
Pteridophyta | - Ferns
Family:
Ophioglossaceae
Genus:
Botrychium
Species:
Botrychium lanceolatum
USDA Symbol:
BOLA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium

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 shaded forest floors

Propagation & Germination

Notes:
Reproduces primarily via spores; mycorrhizal association required for gametophyte development underground. Germination from spores is complex and poorly documented in cultivation.

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