Hart’s Tongue Fern

(Asplenium scolopendrium)

Hart’s Tongue Fern (Asplenium scolopendrium)

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Estimated Native Range
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Summary

Asplenium scolopendrium, commonly known as Hart’s Tongue Fern, is an evergreen fern native to a variety of habitats including damp, shaded woods, rocky crevices, and limestone pavement areas across Europe, eastern North America, and parts of Asia. This fern is notable for its simple, undivided fronds that resemble the tongue of a hart, which is an old term for a male red deer. The fronds are glossy green, tongue-shaped, and can grow up to 60 cm long. The plant forms a rosette and the fronds emerge directly from the rhizome. It is a slow-growing species that adds a unique texture to shaded garden areas.

Hart’s Tongue Fern is valued for its evergreen foliage and the structural interest it brings to woodland gardens and shaded borders. It is also suitable for growing in rock gardens or on shaded walls where its roots can penetrate the mortar. The species has won the Royal Horticultural Society’s Award of Garden Merit, indicating its excellence for garden use. Cultivars with various frond forms, such as ’Angustatum’, offer additional ornamental appeal. While the American variation is challenging to cultivate, the Old World variation is more commonly found in cultivation. It requires part shade to full shade, consistent moisture, and well-drained, humus-rich soil. Avoiding waterlogged conditions is crucial for its health.CC BY-SA 4.0

Plant Description

  • Plant Type: Fern
  • Height: 1-1.5 feet
  • Width: 1-1.5 feet
  • Growth Rate: Slow
  • Flower Color: N/A
  • Flowering Season: Non-Flowering
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Part Shade, Full Shade
  • Water: Medium
  • Drainage: Slow, Medium

Common Uses

Bank Stabilization, Border Plant, Low Maintenance, Potted Plant, Rabbit Resistant, Rock Garden, Street Planting

Natural Habitat

Damp, shaded woods, rocky crevices, and limestone pavement areas

Other Names

Common Names: Hartstonque, Hart’s-Tongue Fern, Hjortetunge, Hirschzunge, Langue De Cerf, Asplénium Scolopendre, Phyllitis Scolopendre, Scolopendre, Scolopendre Officinale, Tongvaren, Hjorttunga

Scientific Names: , Asplenium scolopendrium, Phyllitis scolopendrium subsp. scolopendrium, Phyllitis vulgare, Glossopteris scolopendrium, Phyllitis vulgaris,

GBIF Accepted Name: Asplenium scolopendrium L.