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Thelypteris palustris

eastern marsh fern add to wishlist

Plant types and subtypes:

Light Requirements: sun, part-sun, part-shade

Water Use: high

Soil Moisture: moist, wet

Soil Description: acid, loam, clay, sand, gravel/rock

Height: 1'-2'

Leaf Color: green

Hardiness Zone: 3, 4, 5, 6, 7, 8, 9, 10

Additional Tags: bog plant, colonizing, deer resistant, pond margin plant, wetland plant

Thelypteris palustris (eastern marsh fern)
  • Thelypteris palustris (eastern marsh fern)
  • Thelypteris palustris (eastern marsh fern)
  • Thelypteris palustris (eastern marsh fern)

Pricing & Availability

Description

Thelypteris palustris

Also known as:

eastern marsh fern

,

Scientific Synonyms:

Description

Thelypteris palustris is an attractive deciduous fern with a spreading rather than clumping habit. It's mature height can vary from under 1' to just over 2' depending on growing conditions. The fronds are erect, with light-green leaves and finely pubescent stalks.

Cultivation

Eastern marsh fern can be found growing in moist meadows and fens, edges of marshes, bogs and swamps, alongside springs and gravelly seeps. It thrives in acidic soil that is consistently moist to wet, however, it is intolerant of standing water. It is unusual among fern for its preference to sunny locations. It has a fibrous and rhizomatous root system, and will spread readily to form dense colonies. This is both a very cold-hardy and heat tolerant species. Zones 3-10

Additional Notes

Thelypteris palustris is similar in appearance to, and easily confused with, Thelypteris noveboracensis (New York fern). However, they grow under different conditions, with the former typically found growing in sunny and wet locations, whereas the latter grows in shaded moist locations. The natural range of Thelypteris palustris is extensive in the northern hemisphere, in North America and Eurasia.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV

USDA Endangered Status:

  • Exploitably Vulnerable: NY

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Seed plants
Division Pteridophyta
Class Filicopsida
Subclass
Order Polypodiales
Family Thelypteridaceae Marsh Fern family
Genus Thelypteris maiden fern
Species Thelypteris palustris eastern marsh fern