Thelypteris limbosperma is a fern native to Europe that favours shaded, sheltered positions. It grows best in moist, well-drained loamy soils with an acidic to neutral pH. Rated H7, it is fully hardy in the UK when sited out of exposed conditions. It is commonly used in woodland and shade gardens as a border or understorey plant.

Sickle Fern (Thelypteris limbosperma) thrives in shaded, moist, acidic to neutral soils and is fully hardy in the UK.

Thelypteris is a genus of ferns in the subfamily Thelypteridoideae, family Thelypteridaceae, order Polypodiales. Two radically different circumscriptions of the genus are in use as of January 2020.

Thelypteris limbosperma

Sickle Fern | Thelypteris limbosperma

Thelypteris palustris, the marsh fern, is a fern adapted to marshy or consistently wet ground. It typically forms upright fronds to about 0.8 m and produces new growth in spring and summer. Plant in soils that stay wet or at least moist but well drained, in full sun. It is fully hardy (H7) and corresponds to USDA zones 4–8.

Marsh fern (Thelypteris palustris) prefers persistently wet or moist soils in full sun and is fully hardy (H7), ideal for damp borders and marshy garden.

https://en.wikipedia.org/wiki/Thelypteris_palustris

Thelypteris palustris

Marsh fern | Thelypteris palustris

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