Aspleniaceae
Rusty woodsia
Woodsia ilvensis
Also known as Mountain woodsia, Rusty rock fern, Rusty cliff fern, Woodsia rupicola
Native Plants · Fern · Rock Garden · Shade · Hardy · Native · Perennial · Cool Climate · Woodland · Groundcover
Rusty woodsia is a compact, hardy fern best suited to cool rock gardens or shaded borders in well-drained, slightly acidic soil. Water regularly to keep the soil evenly moist but never waterlogged, and shelter it from intense afternoon sun. It is a slow-colonizing plant that requires little attention once established in the right conditions.
Growing conditions
The details behind the basics
- Daily light
- 3 hours
- Watering
- Water thoroughly until soil is evenly moist, allowing the top inch to dry slightly between waterings · Every 5-7 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
- Propagation
- Seed, Division
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, Altay, Amur, Austria, Baltic States, Belarus, British Columbia, Buryatiya, Central European Rus, China North-Central, Chita, Connecticut, Czechoslovakia, East European Russia, Finland, France, Germany, Great Britain, Greenland
Sources: trefle, usda
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