Ostrich Fern

Onoclea struthiopteris

Native to:
Austria, Baltic States, Belarus, Belgium, Canada, China, Czechia-Slovakia, Denmark, Finland, France, Germany, Hungary, Iran, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Kuril Is., Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Romania, Russia, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine, United States

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Taxonomy

Division:
Pteridophyta | - Ferns
Family:
Aspleniaceae
Genus:
Onoclea
Species:
Onoclea struthiopteris
USDA Symbol:
MAST

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
180 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Ground Cover:
Yes

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

golden ghost moth (Sthenopis auratus)

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, moist, well-drained loamy soil
pH:
5.0 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
thrives in wetland areas and along streams

Propagation & Germination

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 90 days.

Notes: Seeds may require light for optimal germination.

Source: Claude AI