// SPECIES PROFILE · PERENNIAL · NATIVE

American stoneseed

Lithospermum latifolium

American stoneseed (Lithospermum latifolium) is a perennial in the — family. Native range includes AR, KS, MO. Hardy in zones 2b–9a. Mature size 6"–3'. Blooms May–Jun.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 21 U.S. states, including AR, GA, IA, IL, IN, KS…
USDA hardiness: Zones 2b–9a
Mature size: 6"–3'
Sun: —
Water: —
Bloom: May–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

American stoneseed (Lithospermum latifolium) — *Lithospermum latifolium* — American stoneseed. Photo by Mason Brock (Masebrock) via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

American stoneseed (Lithospermum latifolium) is a perennial in the — family. Native range includes AR, KS, MO. Hardy in zones 2b–9a. Mature size 6"–3'. Blooms May–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, american stoneseed pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa), Common Blue Violet (Viola sororia), Common Boneset (Eupatorium perfoliatum).