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Crinkleroot

Cardamine diphylla

Also called Broad Leaved Toothwort, Broadleaf Toothwort, Two Leaved Toothwort, Two Leaf Toothwort

Crinkleroot
Photo: Atrian at English Wikipedia, Public domain

Crinkleroot is a spring-flowering woodland perennial in the mustard family, native to eastern North America, grown for its shade tolerance and edible, peppery roots. It needs cool, moist, humus-rich shade and does best left undisturbed in a woodland garden.

Family
Brassicaceae (Cabbage family)
Grows as
Bulb
Light
Shade, Part shade
Water
Keep the soil consistently moist during its spring growth, and water less once it goes dormant in summer.
Soil
Moist, humus-rich, well-drained woodland soil with leaf litter.
Temperature
Hardy in cold winters, roughly USDA zones 4 to 8; dormant in summer heat.
How easy
Moderate
Edible
Yes, some parts
Native range
E. Canada to NC. & E. U.S.A.
Climate
temperate

About

Cardamine diphylla (broadleaf toothwort, crinkle root, crinkle-root, crinkleroot, pepper root, twin-leaved toothwort, twoleaf toothwort, toothwort) is a flowering plant in the family Brassicaceae. It is a spring flowering woodland plant that is native to eastern North America.

Where it grows

Cardamine diphylla is native to eastern North America. Its wide range extends north to Québec and Nova Scotia, south to Georgia and Alabama, and west to Wisconsin. It is known to occur in the following provinces and states:

Other Cardamine plants

Brewer's bittercress · Hairy bittercress · Chinese Ivy · Little western bittercress · Pennsylvania bittercress · Five Leaflet Bitter Cress · Whorled Coralroot · Trefoil Cress

Text excerpted from the Wikipedia article Cardamine diphylla by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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