grassN. America Native

Corkscrew Rush

Juncus compactus 'Spiralis'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Grass

Height

18 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moist to wet soil

Humidity

High

Lifespan

Perennial

Native To

Widespread in temperate regions

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Juncus effusus, or Common Rush, is a wetland perennial grass-like plant that forms dense clumps of cylindrical, upright, leafless green stems. The cultivar 'Spiralis' is highly distinctive for its dark green stems that twist and curl into a corkscrew shape, providing unique texture and architectural interest in moist garden spots or containers.

Bloom Period:

EarlyLate

Uses & Benefits:

Juncus spiralis offers a striking visual with its twisted, spiral leaves, ideal for modern and natural landscapes.

Its dense growth helps stabilize soil in wet areas, preventing erosion.

Provides habitat and food for wetland birds and insects.

Marketplace

Where to Buy

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

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Planting

How to Grow

Tuck seeds or rhizomes into moist, well-draining soil in early spring.
Mist cuttings regularly to keep humidity high for rooting.
Place in full sun to partial shade for optimal growth.
Water consistently, ensuring soil remains moist but not waterlogged.
Fertilize lightly every 4-6 weeks during the growing season.
Divide clumps every 2-3 years to maintain vigor.

Pro Tip

Use a moist, sandy soil mix for best root development and drought tolerance.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Provide full sun for vibrant growth
Divide clumps in early spring

Don't

Avoid waterlogging soil ❌
Don't neglect mulching to retain moisture
Refrain from over-fertilizing

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

Graceful wetland borderArchitectural grass accentEthereal water feature edge

Companion Plants

Carex Schoenoplectus Juncus effusus Typha

Multiply

Propagation Methods

Good to Know

Common Questions

Corkscrew Rush questions

What zones can Corkscrew Rush grow in?

Corkscrew Rush is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Corkscrew Rush deer resistant?

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

When does Corkscrew Rush bloom?

Corkscrew Rush typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Corkscrew Rush need full sun?

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