// SPECIES PROFILE · ANNUAL · NATIVE

Rough false pennyroyal

Hedeoma hispida

Rough false pennyroyal (Hedeoma hispida) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 6"–1'. Blooms May–Jul.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 37 U.S. states, including AL, AR, CO, CT, FL, GA…
USDA hardiness: Zones 2a–11b
Mature size: 6"–1'
Sun: —
Water: —
Bloom: May–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Rough false pennyroyal (Hedeoma hispida) — *Hedeoma hispida* — Rough false pennyroyal. Photo via iNaturalist — (c) aarongunnar, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Rough false pennyroyal (Hedeoma hispida) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 6"–1'. Blooms May–Jul.

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, rough false pennyroyal pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Lambsquarters (Chenopodium album).