// SPECIES PROFILE · ANNUAL · NATIVE

Snow on the mountain

Euphorbia marginata

Snow on the mountain (Euphorbia marginata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Blooms Jul–Oct.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 43 U.S. states, including AL, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 2a–11b
Mature size: —
Sun: Part shade
Water: Medium
Bloom: Jul–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Snow on the mountain (Euphorbia marginata) — *Euphorbia marginata* — Snow on the mountain. Photo by U.S. Fish and Wildlife Service Headquarters via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Snow on the mountain (Euphorbia marginata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Blooms Jul–Oct.

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, snow on the mountain pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Lambsquarters (Chenopodium album).