Crater Lake Grapefern

Botrychium pumicola

Crater Lake Grapefern

Gauna

Taxonomy

Division:
Pteridophyta | - Ferns
Family:
Ophioglossaceae
Genus:
Botrychium
Species:
Botrychium pumicola

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
6 in - 1 ft
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Colors:
Not Applicable

Native Range

United States: Oregon

Soil Requirements

Soil Type:
sandy, well-drained, volcanic soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to pumice flats and volcanic slopes

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: OpenAI GPT-4o