This grower is sure of this plant identification.
Male fern, Fern
Dryopteris filix-mas (Male fern). Common to Europe, Asia and North America, this deciduous or semi- evergreen fern has lanceolate, pinnate, elegantly arching fronds that arise from crowns of large, upright rhizomes. It grows up to 1.2m high and 1m wide.
They are fully to half hardy and will require shade and moist soil. Regularly remove fading fronds.
Under shrubs, mixed borders, forest areas.