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Two-leaved Toothwort

Cardamine diphylla

Found in rich, moist forests. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

51
Strong

Native to Alabama. How scores work Is it native here?

Profile 100%

Height
8–16 inches
Spread
9 inches–1 foot
Light
Partial shade
Soil moisture
Usually moist

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
April to May
Fruiting season
May to June

Not yet recorded · Leaves

Recorded in 25 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Moist forests

Forests on moist but not wet ground, such as rich slopes and ravines.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Cardamine

  • Anthocharis mideaFalcate Orangetip
  • Ascia monusteGreat Southern White
  • Pieris virginiensisWest Virginia White
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
12BeesSoutheastern regional records

Southeastern regional records · Cardamine

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1Specialist beesPollen specialists

Pollen specialists · Cardamine

  • Andrena arabis
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Cardamine

  • Lagopus lagopusWillow Ptarmigan
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Brassicaceae
Hardiness
Zones 4a–8b
Soil pH
Acidic
Flower color
Pink or white
Fruit begins
May
Fruit ends
June

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Crinkleroot Toothwort; Two leaved Toothwort

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources