// SPECIES PROFILE · ANNUAL · NATIVE

Wild poinsettia

Euphorbia cyathophora

Wild poinsettia (Euphorbia cyathophora) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–13a. Mature size 6"–3'. Blooms May–Nov.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 28 U.S. states, including AL, AR, AZ, CA, FL, GA…
USDA hardiness: Zones 2b–13a
Mature size: 6"–3'
Sun: Full sun
Water: Medium
Bloom: May–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Wild poinsettia (Euphorbia cyathophora) — *Euphorbia cyathophora* — Wild poinsettia. Photo by Juni from Kyoto, Japan via Wikimedia Commons (CC BY 2.0).

Field Notes

[ growing · ecology · siting · care ]

Wild poinsettia (Euphorbia cyathophora) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–13a. Mature size 6"–3'. 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, wild poinsettia pairs naturally with: Common Sunflower (Helianthus annuus), Virginia peppergrass (Lepidium virginicum), Poorman's pepperwort (Lepidium virginicum var. virginicum), Common water nymph (Najas guadalupensis).