// SPECIES PROFILE · PERENNIAL · NATIVE

Slender yellow wood sorrel

Oxalis dillenii

Slender yellow wood sorrel (Oxalis dillenii) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 1"–16". Blooms May–Nov.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 46 U.S. states, including AR, AZ, CO, CT, DC, DE…
USDA hardiness: Zones 2a–11b
Mature size: 1"–16"
Sun: —
Water: —
Bloom: May–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Slender yellow wood sorrel (Oxalis dillenii) — *Oxalis dillenii* — Slender yellow wood sorrel. Photo by Melissa McMasters on flickr via Wikimedia Commons (CC BY 2.0).

Field Notes

[ growing · ecology · siting · care ]

Slender yellow wood sorrel (Oxalis dillenii) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 1"–16". Blooms May–Nov.

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