grassN. America Native

Foothill Sedge

Carex tumulicola

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Grass

Height

18 inches

Width

21 inches

Light

Full Sun, Partial Sun

Zones

7, 8, 9

Water

Low to moderate

Humidity

Adaptable

Lifespan

Long-lived perennial sedge

Native To

Western North America

Toxicity

Non-toxic

The Story

Plant Bio

Carex is a vast genus of grass-like plants called sedges, typically found in moist to wet areas. They are distinguished from true grasses by their triangular, solid stems and separate male and female flower spikes. Carex tumulicola is a versatile West Coast native that forms a tidy, arching clump of fine, dark green foliage. It is highly valued in sustainable landscaping as a drought-tolerant lawn substitute or a graceful groundcover that thrives in sun or part shade.

Bloom Period:

EarlyLate

Uses & Benefits:

Foothill Sedge provides a soft, fine-textured effect in the garden with its arching, deep green blades. It creates a sense of movement when planted in masses and offers a lush, meadow-like appearance that remains attractive year-round in mild climates.

It is a workhorse in low-water gardens, serving as an excellent lawn substitute that requires no mowing (or only once a year). Its root system helps with soil stabilization and erosion control on gentle slopes.

As a native plant, it supports local ecosystems by providing habitat and serving as a larval host plant for several species of butterflies and moths. It's a key component in creating sustainable, habitat-friendly gardens and bioswales.

Marketplace

Where to Buy

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Planting

How to Grow

Select a site in sun or light shade with decent drainage.
Space plants 1 to 2 feet apart depending on desired coverage.
Dig a hole as deep and twice as wide as the pot.
Set the plant in the hole with its crown at soil level.
Backfill with native soil and water well to eliminate air pockets.
Water regularly for the first season to establish a deep root system.

Pro Tip

For a meadow or lawn look, plant 12-18 inches on center; they will fill in within a few seasons.

Keep It Thriving

Care Guide

Do

Provide occasional summer water in hot, dry climates for best appearance.
Cut back annually in late winter or early spring for fresh growth.
Allow it to self-sow in naturalistic plantings if desired.
Use as a living mulch under larger shrubs or trees.

Don't

Do not plant in deep, dry shade where it will struggle.
Avoid letting it completely dry out for extended periods during establishment.
Don't worry about fertilizing; it thrives in average soil.
Do not mistake it for a turfgrass; it tolerates only light foot traffic.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Lush and sustainable lawn alternativeGraceful matrix planting in meadowsSoft edging for paths and borders

Companion Plants

Eschscholzia californica Salvia 'Bee's Bliss' Achillea millefolium Iris douglasiana Heuchera maxima

Multiply

Propagation Methods

Good to Know

Common Questions

Foothill Sedge questions

What zones can Foothill Sedge grow in?

Foothill Sedge is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Foothill Sedge deer resistant?

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

When does Foothill Sedge bloom?

Foothill Sedge typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Foothill Sedge need full sun?

Foothill Sedge does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Foothill Sedge drought tolerant?

Yes — once established (usually after the first full season), Foothill Sedge handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.