// SPECIES PROFILE · PERENNIAL · NATIVE

Slender toothwort

Cardamine angustata

Slender toothwort (Cardamine angustata) is a perennial in the — family. Native range includes AR, OK. Hardy in zones 5a–9a. Blooms Mar–May.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 18 U.S. states, including AL, AR, DC, DE, GA, IN…
USDA hardiness: Zones 5a–9a
Mature size: —
Sun: Part shade
Water: —
Bloom: Mar–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Slender toothwort (Cardamine angustata) — *Cardamine angustata* — Slender toothwort. Photo by Fritzflohrreynolds via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Slender toothwort (Cardamine angustata) is a perennial in the — family. Native range includes AR, OK. Hardy in zones 5a–9a. Blooms Mar–May.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, slender toothwort pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).