
Lady Fern
Athyrium felix-femina
Essentials
At a Glance
Plant Type
Fern
Height
24 inches
Width
36 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Consistently moist soil
Humidity
Prefers high humidity
Lifespan
Perennial
Native To
North America, Europe, Asia
Toxicity
Contains thiaminase; toxic to horses if consumed in large quantities.
The Story
Plant Bio
Athyrium felix-femina, commonly known as Lady Fern, is a deciduous fern distinguished by its elegant, feathery fronds and lush green foliage that forms graceful, arching clumps in shaded garden areas. This species is appreciated for its delicate, lacy fronds that add a soft texture to shade gardens and its ability to thrive in moist, well-drained soils with low light conditions.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck spores or divisions into moist soil in early spring.
- Water regularly to keep soil consistently moist.
- Mist fronds to increase humidity during dry periods.
- Mulch around the base to retain moisture and suppress weeds.
- Provide shade during hot summer months for optimal growth.
- Divide clumps every 3-4 years to rejuvenate.
Pro Tip
Keep soil consistently moist and provide shade for best results.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to conserve moisture and prevent weeds
- Divide every 3-4 years for healthy growth
Don't
- Avoid direct, harsh sunlight ❌
- Don't let soil dry out completely
- Refrain from heavy fertilization
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Lady Fern questions
What zones can Lady Fern grow in?
Lady Fern is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Lady Fern deer resistant?
Yes — Lady Fern is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Lady Fern bloom?
Lady Fern typically blooms in early spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Lady Fern need full sun?
Lady Fern does best in part shade.
More Athyrium to compare

Japanese Painted Fern
Athyrium niponicum 'Pictum'

Ghost Fern
Athyrium niponicum 'Ghost'

Lady Fern
Athyrium filix-femina

Lady in Red Fern
Athyrium filix-femina 'Lady in Red'

Eared Lady Fern
Athyrium otophorum 'Okanum'

Tatting Fern
Athyrium filix-femina 'Frizelliae'
