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Aspleniaceae
Thelypteris palustris
Thelypteris palustris
Also known as Lastrea palustris, Athyrium thelypteris, Thelypteris thelypteris, Polystichum thelypteris
Native Plants · Marsh Fern · Fern · Wetland · Bog Plant · Part Shade · Native Fern · Moisture Loving · Pond Margin · Groundcover · Deciduous Fern
Marsh fern (Thelypteris palustris) is a hardy, low-maintenance fern best suited to moist or boggy garden beds, pond margins, and rain gardens. It thrives in partial shade with consistently wet soil and will spread naturally to form attractive colonies over time. Avoid dry or well-drained conditions, as this plant is sensitive to drought.
Growing conditions
The details behind the basics
- Daily light
- 3 hours
- Watering
- Water generously; tolerates and prefers consistently wet to boggy soil · Every 5-7 days or keep soil consistently moist
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.5–7
- Temperature
- -25°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Albania, Algeria, Altay, Arkansas, Austria, Baltic States, Belarus, Belgium, Bermuda, Bulgaria, Buryatiya, Central European Rus, China North-Central, China South-Central, China Southeast, Connecticut, Corse, Cuba, Czechoslovakia
- Attracts
- Birds
Sources: trefle, usda
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