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American Golden Dock

Rumex fueginus

Last reviewed: July 2026

American Golden Dock (Rumex fueginus)
Photo: aarongunnar / Wikimedia Commons (CC BY 4.0)

American Golden Dock is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.

Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.

Light

part sun

Water

medium

Size

12"–36" H × 8"–18" W

Bloom

Jun, Jul, Aug

Native to

AR, AZ, CA, CO and 30 more states

Rumex fueginus is a lesser-known dock species that forms clumps of broad, paddle-shaped leaves. This perennial produces tall spikes of small reddish-brown flowers during summer months. It tolerates partial sun conditions and prefers consistently moist soil.

In an HOA neighborhood

American Golden Dock takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Dock species often considered weedy by traditional gardeners
  • Large leaves can look untidy as they age
  • May self-seed aggressively

Wildlife value

The flowers provide nectar for small flies and beetles, though it's not a major pollinator plant. Seeds may attract some birds in late summer.

Common questions

How much sun does American Golden Dock need?
American Golden Dock grows best in part sun conditions.
When does American Golden Dock bloom?
American Golden Dock blooms in June, July, and August.
Where is American Golden Dock native?
American Golden Dock (Rumex fueginus) is native to AR, AZ, CA, CO and 30 more states, per the USDA PLANTS Database and regional native plant society lists.
Is American Golden Dock toxic to dogs?
Yes. American Golden Dock is listed as toxic to dogs by the ASPCA Animal Poison Control Center (aspca.org). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is American Golden Dock toxic to cats?
Yes. American Golden Dock is listed as toxic to cats by the ASPCA Animal Poison Control Center (aspca.org). If your cat has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Is American Golden Dock HOA-friendly?
American Golden Dock takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Pollinator Patch flags toxic plants like American Golden Dock and shows pet-safe natives for your ecoregion instead.

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