{"product_id":"thelypteris-palustris-marsh-fern","title":"Thelypteris palustris (Marsh Fern)","description":"\u003cp\u003eA confirmed deer-resistant fern with a genuinely singular ecological relationship, marsh fern is the only known host plant for the Marsh Fern Moth (Fagitana littera) - an exceptional degree of larval specificity for any plant in this catalog, let alone a fern.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecies Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThelypteris palustris, or marsh fern, is a deciduous fern native to wetlands across eastern North America and Eurasia, with erect to ascending, finely-textured, light green fronds reaching 1 to 2 feet tall. Unlike most ferns, it prefers sunny wetland habitats, spreading by creeping rhizomes to form dense colonies along streams, ponds, and marsh margins.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSunny wetland, stream, and pond-margin restoration - unusual among ferns for tolerating full sun\u003c\/li\u003e\n\u003cli\u003eThe sole documented larval host for the Marsh Fern Moth\u003c\/li\u003e\n\u003cli\u003eDeer-pressured wetland plantings\u003c\/li\u003e\n\u003cli\u003eWoodland garden and water garden massing plantings\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGrowing Conditions \/ Specification Data\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight:\u003c\/strong\u003e Full Sun to Part Shade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil\/Moisture Tolerance:\u003c\/strong\u003e Wet, sandy, acidic soils; moist to wet conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Fern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature Height:\u003c\/strong\u003e 1-2 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFall Color:\u003c\/strong\u003e Insignificant\/None - deciduous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWetland Indicator Status:\u003c\/strong\u003e OBL (Obligate Wetland)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative Range:\u003c\/strong\u003e Northeast\/Mid-Atlantic (full list)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrology:\u003c\/strong\u003e Moist-Wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoot Depth:\u003c\/strong\u003e Shallow (Under 12 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity Tolerance:\u003c\/strong\u003e Low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Rapid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrought Tolerance:\u003c\/strong\u003e Low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood Tolerance:\u003c\/strong\u003e High - Rated Moist-to-Wet hydrology in a formal stormwater vegetation reference table, consistent with this species' already-confirmed saturated-soil tolerance from earlier work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShade Tolerance:\u003c\/strong\u003e Tolerant - prefers shade, tolerates sun with ample moisture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Habit:\u003c\/strong\u003e Spreading - creeping rhizomes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSDA Hardiness Zones:\u003c\/strong\u003e 5-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeer Resistance:\u003c\/strong\u003e Yes (Rarely Damaged)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePollinator Value:\u003c\/strong\u003e Larval host, supports moths\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlanting Guidance\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e the only known host plant for the Marsh Fern Moth (Fagitana littera) - exceptional larval specificity worth highlighting for insect-focused restoration work. Spreads by rhizome to form dense colonies; does not tolerate excessive standing water or heavy shade despite its wetland habitat.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Pinelands Nursery","offers":[{"title":"32 Cell Tubeling","offer_id":48941155680327,"sku":"THE-PAL 32TBL","price":112.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/1649\/7991\/files\/large.jpg?v=1790699500","url":"https:\/\/www.pinelandsnursery.com\/products\/thelypteris-palustris-marsh-fern","provider":"Pinelands Nursery","version":"1.0","type":"link"}