// SPECIES PROFILE · PERENNIAL · NATIVE

Swamp dock

Rumex verticillatus

Swamp dock (Rumex verticillatus) is a perennial in the — family. Native range includes KS, MO, OK. Hardy in zones 2b–11b. Mature size 2'–5'. Blooms Mar–Jun.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 35 U.S. states, including AL, AZ, CT, DC, DE, FL…
USDA hardiness: Zones 2b–11b
Mature size: 2'–5'
Sun: —
Water: —
Bloom: Mar–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Swamp dock (Rumex verticillatus) — *Rumex verticillatus* — Swamp dock. Photo by Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Courtesy of USDA NRCS Wetland Science Institute. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Swamp dock (Rumex verticillatus) is a perennial in the — family. Native range includes KS, MO, OK. Hardy in zones 2b–11b. Mature size 2'–5'. Blooms Mar–Jun.

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, swamp dock pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis), Lady Fern (Athyrium filix-femina).