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Cut-leaf Toothcup

Cardamine concatenata

Last reviewed: August 2026

Cardamine concatenata is a spring woodland forb that blooms from March through May, thriving in part shade with medium moisture in rich deciduous forest soil.

Cut-leaf Toothcup (Cardamine concatenata)
Photo: Ryan Kaldari / Wikimedia Commons (Public domain)

Toxicity unknown

Cut-leaf Toothcup (Cardamine concatenata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

6"–12" H × 4"–8" W

Bloom

Mar, Apr, May

Native to

AL, AR, CT, DE and 30 more states

Pollinators

bees, beetles

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Cut-leaf toothcup is a low-growing spring wildflower that produces delicate white flowers from March through May. This woodland native goes dormant by midsummer, leaving space for other plants to fill in during the growing season.

Growing Cut-leaf Toothcup

Grow Cut-leaf Toothcup in part shade and medium water. Mature plants reach 6 to 12 inches tall and spread 4 to 8 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Cut-leaf Toothcup takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Disappears completely by summer, leaving bare spots
  • Looks wild and informal even when blooming
  • Too ephemeral for maintained landscape appearance

Wildlife value

The early spring blooms provide important nectar for emerging bees and beetles when few other flowers are available.

Common questions

When does cutleaf toothwort bloom?
Cardamine concatenata flowers in early spring, typically from March through May, appearing before the forest canopy fully leafs out.
What pollinators visit cutleaf toothwort?
Bees and beetles are the primary visitors, taking advantage of the flowers during the brief early spring bloom window before woodland shade sets in.
What light and moisture conditions does this plant need?
It grows best in part shade to shade with medium soil moisture, conditions typical of the deciduous forest floor where it emerges each spring.
Is cutleaf toothwort an evergreen plant?
No. It is a deciduous spring ephemeral that emerges, flowers, sets seed, and then dies back to the ground by early summer.
Is Cut-leaf Toothcup HOA-friendly?
Cut-leaf Toothcup takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Cut-leaf Toothcup? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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