// SPECIES PROFILE · SHRUB · NATIVE

Bastard toadflax

Comandra umbellata

Bastard toadflax (Comandra umbellata) is a shrub in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–11a. Mature size 1"–16". Blooms Apr–Jun.

// QUICK FACTS

Family: —
Group: shrub
Native range: Native to 48 U.S. states, including AK, AL, AR, AZ, CA, CO…
USDA hardiness: Zones 1a–11a
Mature size: 1"–16"
Sun: —
Water: —
Bloom: Apr–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Bastard toadflax (Comandra umbellata) — *Comandra umbellata* — Bastard toadflax. Photo by Mason Brock (Masebrock) via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Bastard toadflax (Comandra umbellata) is a shrub in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–11a. Mature size 1"–16". Blooms Apr–Jun.

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, bastard toadflax pairs naturally with: Pale bastard toadflax (Comandra umbellata ssp. pallida), Bastard toadflax (Comandra umbellata ssp. umbellata), Common Sunflower (Helianthus annuus), Lady Fern (Athyrium filix-femina).