// SPECIES PROFILE · ANNUAL · NATIVE

Waterpurslane

Didiplis diandra

Waterpurslane (Didiplis diandra) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 1"–16".

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 21 U.S. states, including AL, AR, FL, GA, IA, IL…
USDA hardiness: Zones 2b–11b
Mature size: 1"–16"
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Waterpurslane (Didiplis diandra) — *Didiplis diandra* — Waterpurslane. Photo by Correll, Donovan Stewart; Correll, Helen B. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Waterpurslane (Didiplis diandra) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 1"–16".

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, waterpurslane pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia).