// SPECIES PROFILE · ANNUAL · NATIVE

Tarweed fiddleneck

Amsinckia lycopsoides

Tarweed fiddleneck (Amsinckia lycopsoides) is a annual in the — family. Native range includes MO, OK. Hardy in zones 2a–11a. Mature size 17"–2'. Blooms Apr–Jul.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 22 U.S. states, including CA, CO, CT, ID, IL, MA…
USDA hardiness: Zones 2a–11a
Mature size: 17"–2'
Sun: —
Water: —
Bloom: Apr–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Tarweed fiddleneck (Amsinckia lycopsoides) — *Amsinckia lycopsoides* — Tarweed fiddleneck. Photo by Thayne Tuason via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

Tarweed fiddleneck (Amsinckia lycopsoides) is a annual in the — family. Native range includes MO, OK. Hardy in zones 2a–11a. Mature size 17"–2'. Blooms Apr–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, tarweed fiddleneck pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Field sagewort (Artemisia campestris).