// SPECIES PROFILE · PERENNIAL · NATIVE

Tuberous stoneseed

Lithospermum tuberosum

Tuberous stoneseed (Lithospermum tuberosum) is a perennial in the — family. Native range includes AR — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 5a–11b. Mature size 6"–2'. Blooms Apr–May.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 13 U.S. states, including AL, AR, FL, GA, KY, LA…
USDA hardiness: Zones 5a–11b
Mature size: 6"–2'
Sun: —
Water: —
Bloom: Apr–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

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

Field Notes

[ growing · ecology · siting · care ]

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, tuberous stoneseed pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).