// SPECIES PROFILE · ANNUAL · NATIVE

Common pepperweed

Lepidium densiflorum

Common pepperweed (Lepidium densiflorum) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–13a. Mature size 6"–2'. Blooms Jun–Jun.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 49 U.S. states, including AK, AL, AR, AZ, CA, CO…
USDA hardiness: Zones 1a–13a
Mature size: 6"–2'
Sun: —
Water: —
Bloom: Jun–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Common pepperweed (Lepidium densiflorum) — *Lepidium densiflorum* — Common pepperweed. Photo by Jim Pisarowicz via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Common pepperweed (Lepidium densiflorum) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–13a. Mature size 6"–2'. Blooms Jun–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, common pepperweed pairs naturally with: Common Sunflower (Helianthus annuus), Virginia peppergrass (Lepidium virginicum), Poorman's pepperwort (Lepidium virginicum var. virginicum), Common selfheal (Prunella vulgaris).