perennial

Crinkleroot

Dentaria diphylla 'Supermax'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

8 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moist

Humidity

High

Lifespan

Perennial

Native To

Eastern North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Dentaria diphylla, commonly known as Toothwort, is a perennial woodland plant with delicate, pinnate leaves and clusters of small white flowers that bloom in early spring, creating a charming ground cover. The 'Supermax' cultivar is distinguished by its more vigorous growth habit and larger, more abundant flower clusters, enhancing its ornamental appeal in shaded garden settings.

Bloom Period:

EarlyLate

Uses & Benefits:

Adds early spring interest with attractive foliage and flowers.

Native plant that supports local ecosystems.

Provides early nectar for pollinators in spring.

Marketplace

Where to Buy

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

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Planting

How to Grow

Tuck seeds into moist soil in late fall for natural stratification.
Keep soil consistently moist during early growth stages.
Transplant seedlings to shaded areas after sprouting in early spring.
Mulch around plants to retain moisture and suppress weeds.
Divide clumps every 3–4 years in early spring for rejuvenation.
Remove spent flowers to encourage new growth.

Pro Tip

Plant in shaded, moist woodland areas for best results.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to maintain soil moisture and temperature
Divide clumps in early spring

Don't

Avoid dry, sunny spots ❌
Don’t let soil dry out completely
Avoid excessive fertilizing

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderWildflower meadow edgeNaturalized garden

Companion Plants

Trillium Foamflower Virginia Bluebells Solomon's Seal Wild Ginger

Multiply

Propagation Methods

Good to Know

Common Questions

Crinkleroot questions

What zones can Crinkleroot grow in?

Crinkleroot 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 Crinkleroot deer resistant?

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

When does Crinkleroot bloom?

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

Does Crinkleroot need full sun?

Crinkleroot does best in part shade.