// SPECIES PROFILE · ANNUAL · NATIVE

Spreading sandmat

Chamaesyce humistrata

Spreading sandmat (Chamaesyce humistrata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Blooms Mar–Aug.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 21 U.S. states, including AL, AR, FL, GA, IL, IN…
USDA hardiness: Zones 2b–11b
Mature size: —
Sun: —
Water: —
Bloom: Mar–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Spreading sandmat (Chamaesyce humistrata) — *Chamaesyce humistrata* — Spreading sandmat. Photo by Annika Lindqvist via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

Spreading sandmat (Chamaesyce humistrata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Blooms Mar–Aug.

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, spreading sandmat pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Plains Coreopsis (Coreopsis tinctoria), Tall Thistle (Cirsium altissimum).