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Lady Fern

Athyrium filix-femina

Lady Fern is a graceful woodland species known for its finely divided, upright fronds that gently arch outward in dense clumps. Native across much of North America, this fern adapts well to moist, shady habitats, making it a foundational species in naturalistic or shaded garden designs.

Reaching 2 to 3 feet in height and spreading slowly by rhizomes, Lady Fern creates a lush, layered effect that enhances the cooling, serene feel of forested landscapes. Its bright green fronds emerge early in spring and gradually deepen in color through summer, adding movement and elegance beneath shrubs or among spring ephemerals.

This fern offers valuable shelter for insects, amphibians, and other small wildlife, especially in biodiverse shade gardens. It grows well in loamy or humus-rich soils and tolerates seasonal wetness better than many other ferns. While deciduous, its stems can persist into winter, offering some structure and protection even in dormancy.

Details

Height12” - 24”
Spread12"
Bloom SeasonMay – September
Soil Types
loamLoam
sandSand
Soil Moisture
mediumMedium
moistMoist
Sun Exposure
fullShadeFull Shade
partSunPart Sun
fullSunFull Sun

Range Map

Native
No current
record

Ecological Benefits

Maintenance Tips

  • Water: Requires consistent moisture in the first year; tolerates wet soil but not drought.
  • Soil: Prefers rich, loamy, slightly acidic soil with good organic content.
  • Light: Grows best in full to partial shade; can tolerate more sun in wet soils.
  • Division: Can be divided every 3–5 years in spring to rejuvenate growth or increase coverage.
  • Cleanup: Cut back dead fronds in early spring to make room for fresh foliage.
  • Pests/Disease: Rarely affected by pests or disease; avoid compacted or dry soil.

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