Japanese Tassel Fern
Polystichum polyblepharum
Essentials
At a Glance
Plant Type
Fern
Height
24 inches
Width
24 inches
Light
Partial Sun, Shade
Zones
5, 6, 7, 8
Water
Medium
Humidity
High humidity preferred
Lifespan
Perennial
Native To
Japan, South Korea
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
An evergreen fern known for its attractive feathery fronds. Distinctive glossy fronds that are dark green and finely divided.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck spores or divisions into well-draining, humus-rich soil in early spring.
- Water regularly to keep soil moist but not waterlogged, especially during first growing season.
- Mist fronds frequently to maintain humidity and encourage healthy growth.
- Apply a thin layer of mulch around the base to retain moisture and suppress weeds.
- Tuck in new fronds as they emerge in spring and early summer for best display.
- Gradually reduce watering in late fall to prepare for dormancy.
Pro Tip
Use shaded areas with rich, moist soil for optimal growth and lush fronds.
Keep It Thriving
Care Guide
Do
- Maintain consistent moisture with regular watering 🌱
- Provide filtered shade to protect from harsh sun
- Apply organic mulch to conserve soil moisture
Don't
- Avoid letting soil dry out completely ❌
- Do not expose to direct, intense sunlight
- Avoid over-fertilizing to prevent weak growth
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
Japanese Tassel Fern questions
What zones can Japanese Tassel Fern grow in?
Japanese Tassel Fern is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Japanese Tassel Fern deer resistant?
Yes — Japanese Tassel Fern is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
Does Japanese Tassel Fern need full sun?
Japanese Tassel Fern does best in part shade.
More Polystichum to compare
Western Sword Fern
Polystichum munitum
Christmas Fern
Polystichum acrostichoides
Soft Shield Fern
Polystichum setiferum
Makino's Holly Fern
Polystichum makinoi
Soft Shield Fern
Polystichum setiferum 'Plumosomultilobum'
Hybrid Shield Fern
Polystichum x hybrida
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