// SPECIES PROFILE · ANNUAL · NATIVE

Yellowspine thistle

Cirsium ochrocentrum ssp. ochrocentrum

Yellowspine thistle (Cirsium ochrocentrum ssp. ochrocentrum) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2a–11a. Mature size 6"–3'. Blooms May–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 12 U.S. states, including AZ, CA, CO, KS, NE, NM…
USDA hardiness: Zones 2a–11a
Mature size: 6"–3'
Sun: —
Water: —
Bloom: May–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Yellowspine thistle (Cirsium ochrocentrum ssp. ochrocentrum) — *Cirsium ochrocentrum ssp. ochrocentrum* — Yellowspine thistle. Photo via iNaturalist — (c) Andrew Tree, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Yellowspine thistle (Cirsium ochrocentrum ssp. ochrocentrum) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2a–11a. Mature size 6"–3'. Blooms May–Sep.

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, yellowspine thistle pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Powell's amaranth (Amaranthus powellii), Green amaranth (Amaranthus powellii ssp. powellii).