// SPECIES PROFILE · PERENNIAL · NATIVE

Common yellow oxalis

Oxalis stricta

Common yellow oxalis (Oxalis stricta) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 6"–3'. Blooms Mar–Oct.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 46 U.S. states, including AL, AR, AZ, CO, CT, DC…
USDA hardiness: Zones 2a–11b
Mature size: 6"–3'
Sun: Full sun
Water: Low · xeric
Bloom: Mar–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Common yellow oxalis (Oxalis stricta) — *Oxalis stricta* — Common yellow oxalis. Photo by 6th Happiness via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Common yellow oxalis (Oxalis stricta) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 6"–3'. Blooms Mar–Oct. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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 yellow oxalis pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium).