fern

Tennessee Bladderfern

Cystopteris x tennesseensis

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Fern

Height

12 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Consistently moist

Humidity

High humidity preferred

Lifespan

Perennial

Native To

Eastern North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Cystopteris x tennesseensis is a delicate fern with finely divided fronds and a graceful, arching habit, often displaying a lush green foliage that thrives in shaded, moist environments. This hybrid fern is valued for its adaptability to woodland settings and its ability to tolerate a range of soil conditions, making it a versatile choice for shaded garden areas.

Bloom Period:

EarlyLate

Uses & Benefits:

Adds lush greenery and delicate texture to shaded gardens, enhancing visual interest year-round.

Helps maintain soil moisture and prevent erosion in shady, moist areas.

Provides habitat for small insects and contributes to woodland ecosystem diversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Select a shaded spot with moist, well-drained soil.
Tuck fern spores or divisions into prepared soil, keeping roots moist.
Mist cuttings regularly to maintain humidity.
Water consistently to keep soil moist but not soggy.
Mulch around base to retain moisture and suppress weeds.
Transplant in early spring or fall for best results.

Pro Tip

Maintain consistent moisture and shade for healthy growth.

Keep It Thriving

Care Guide

Do

Keep soil moist and well-drained 🌱
Provide shade during hot afternoons
Mulch to conserve moisture
Divide in early spring

Don't

Avoid direct sunlight ❌
Don’t let soil dry out completely
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

Shady woodland borderMoist shaded garden bed

Companion Plants

Hostas Astilbes Ligularia Foamflower Japanese painted fern

Multiply

Propagation Methods

Good to Know

Common Questions

Tennessee Bladderfern questions

What zones can Tennessee Bladderfern grow in?

Tennessee Bladderfern is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Tennessee Bladderfern deer resistant?

Yes — Tennessee Bladderfern is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Tennessee Bladderfern bloom?

Tennessee Bladderfern typically blooms in early spring through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Tennessee Bladderfern need full sun?

Tennessee Bladderfern does best in part shade.