Osmunda
Osmunda × ruggii
- Native to:
- United States
Christian Fischer





Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Osmundaceae
- Genus:
- Osmunda
- Species:
- Osmunda × ruggii
- USDA Symbol:
- OSRU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Drought Tolerance:
- Low
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fall Color:
- yellow, bronze
Soil Requirements
- Soil Type:
- rich, moist, well-drained loamy soil
- pH:
- 5.5 - 6.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers wetland or swampy areas
Propagation & Germination
- Notes:
- Hybrid fern; reproduces via spores which are often sterile or have very low viability.
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