// SPECIES PROFILE · PERENNIAL · NATIVE

American frogbit

Limnobium spongia

American frogbit (Limnobium spongia) is a perennial in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–11b. Blooms Jun–Nov.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 21 U.S. states, including AL, AR, CT, DE, FL, GA…
USDA hardiness: Zones 3a–11b
Mature size: —
Sun: —
Water: —
Bloom: Jun–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

American frogbit (Limnobium spongia) — *Limnobium spongia* — American frogbit. Photo by Alex Abair via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

American frogbit (Limnobium spongia) is a perennial in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–11b. Blooms Jun–Nov.

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, american frogbit pairs naturally with: American Lotus (Nelumbo lutea), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa).