Blechnum spicant
An evergreen, dimorphic fern with two distinct frond types—short, stiff sterile fronds and taller, deciduous fertile fronds—forming a rosette and thriving in moist, shaded forests with regular moisture, high humidity, partial shade, and cooler temperatures, reaching about 50–60 cm tall.
Common Names
Deer Fern, Hard Fern
Summary
Blechnum spicant is an evergreen fern, commonly called hard fern or deer fern, with a tufted, clump-forming habit that grows about 0.1–0.5 m tall and 0.3–0.9 m wide, and exhibits dimorphism with dark green evergreen sterile fronds forming a rosette and taller upright fertile fronds with narrower pinnae; sori appear on the undersides as round orange-brown structures. Prefers cool, moist, shaded sites and acidic to neutral soils, tolerating clay or loam and a range of moisture conditions from moist to wet; can be propagated by spores or division, and is generally pest- and disease-free; commonly used as ground cover or underplanting in woodland, shade borders, rock gardens, or containers, with winter hardiness to USDA Zone 5 and deer and rabbit resistance.
Lifecycle
Perennial
Height
4-19.5 inches
Spread
4-20 inches
Hardiness Zones
Zones 5-8
Sunlight Requirements
Partial shade to full shade.
Soil Type
Acidic, humus-rich, moist, well-drained soil (clay or loam).
Soil Drainage
Moist but well-drained soil
Soil pH
Acid to neutral soil (pH acidic to neutral)
Bloom Color
Insignificant
Bloom Time
Blechnum spicant does not bloom; it has no flowering season.
Foliage Color
Green
Fall Foliage Color
Green
Leaf Lifecycle
Semi-deciduous
Growth Rate
Slow
Seasons of Interest
Spring, Summer, Fall, and Winter.
Propagation Methods
Spores, Division
Attracts Wildlife
Attracts bees and other pollinators
Taxonomy
- Taxonomic Rank
- Species
- Author
- (L.) Roth
- Publication
- Ann. Bot. (Usteri) 10(4): 56 (1794).
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Polypodiophyta
- Class
- Polypodiopsida
- Subclass
- Polypodiidae
- Order
- Polypodiales
- Family
- Blechnaceae
- Subfamily
- Blechnoideae
- Genus
- Blechnum
Synonyms
Struthiopteris japanensis Acrostichum nemorale Blechnum doodioides Homophyllum blechnoides Spicanta borealis Blechnum heterophyllum Struthiopteris spicant Acrostichum spicant Onoclea spicant Osmunda borealis Asplenium spicant Blechnum boreale Lomaria borealis Lonchitis-aspera spicant Osmunda spicant Lomaria spicant f. serrulatum Blechnum spicant var. elongata Blechnum spicant Lomaria crenata Struthiopteris spicant var. crenata Lomaria spicant