Brunswick Giant Ebony Spleenwort
Asplenium platyneuron 'Brunswick Giant'
Essentials
At a Glance
Plant Type
Fern
Height
18 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moist
Humidity
High
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Asplenium platyneuron, commonly known as Ebony Spleenwort, is a fern with graceful, pinnate fronds featuring dark, glossy leaflets that create an elegant, airy appearance suitable for shaded gardens. The Brunswick Giant cultivar is distinguished by its larger fronds and more vigorous growth, making it an impressive and stately addition to woodland and shaded garden settings.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck spores into moist soil in spring.
- Keep soil consistently moist but not waterlogged.
- Mist fronds regularly to increase humidity.
- Place in shaded or partially shaded spot.
- Mulch to retain moisture and suppress weeds.
- Divide every 2-3 years to maintain health.
Pro Tip
Maintain high humidity and avoid direct sunlight for best growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 💧
- Provide shade during hottest part of day
- Mulch to retain soil moisture
- Divide in early spring
Don't
- Avoid direct sunlight ☀️
- Do not let soil dry out
- Avoid 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
Brunswick Giant Ebony Spleenwort questions
What zones can Brunswick Giant Ebony Spleenwort grow in?
Brunswick Giant Ebony Spleenwort 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 Brunswick Giant Ebony Spleenwort deer resistant?
Yes — Brunswick Giant Ebony Spleenwort is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Brunswick Giant Ebony Spleenwort bloom?
Brunswick Giant Ebony Spleenwort 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 Brunswick Giant Ebony Spleenwort need full sun?
Brunswick Giant Ebony Spleenwort does best in part shade.
More Asplenium to compare
Hart's Tongue Fern
Asplenium scolopendrium 'Cristatum'
Maidenhair Spleenwort
Asplenium trichomanes
Walking Fern
Asplenium rhizophyllum
Hart's Tongue Fern
Asplenium scolopendrium
Ulleung Island Hart's-tongue Fern
Asplenium scolopendrium 'Ulleung Island'
Bird's Nest Fern
Asplenium x ebenoides
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Grow Brunswick Giant Ebony Spleenwort with confidence
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