1 named cultivar

‘Firefox’Firefox Sedge

perennialN. America Native

Blue Wood Sedge

Carex flaccosperma

Same species

1 named cultivar

‘Firefox’Firefox Sedge

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

15 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8, 9

Water

Moist

Humidity

Prefers humid conditions

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic

The Story

Plant Bio

Carex flaccosperma, or Blue Wood Sedge, is a clump-forming, grass-like perennial noted for its attractive, broad, blue-green leaves. It produces inconspicuous greenish-white flower spikes in spring. Valued for its distinctive foliage color and texture, this sedge is an excellent groundcover for shady, moist to average woodland gardens. It is semi-evergreen, providing interest in milder climates.

Uses & Benefits:

Provides texture and greenery in shaded and wet areas, adding visual interest year-round.

Helps control erosion in moist, shady spots.

Supports local insects and wildlife in damp habitats.

Planting

How to Grow

Tuck seeds or divisions into moist soil in early spring
Water regularly to keep soil consistently moist
Mulch around plants to retain moisture and suppress weeds
Fertilize with a balanced slow-release fertilizer in spring
Divide every 3-4 years in early spring or fall
Prune back dead foliage in late winter

Pro Tip

Ensure soil remains moist and well-drained for best growth

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain soil moisture
Divide every few years for healthy growth
Prune dead foliage in late winter

Don't

Avoid letting soil dry out completely ❌
Do not fertilize with high nitrogen in late fall
Refrain from heavy pruning in midsummer
Avoid planting in overly dry or compacted soils

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wet area borderShady garden bed

Companion Plants

Hostas Ferns Astilbes

Multiply

Propagation Methods

Good to Know

Common Questions

Blue Wood Sedge questions

What zones can Blue Wood Sedge grow in?

Blue Wood Sedge is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Blue Wood Sedge deer resistant?

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

When does Blue Wood Sedge bloom?

Blue Wood Sedge 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 Blue Wood Sedge need full sun?

Blue Wood Sedge does best in part shade.