Rumex is one of those genera that rewards closer attention. Most gardeners know it as a weed, but the 200 or so species that make up this buckwheat-family group fill genuinely varied roles: some are edible culinary herbs, some act as host plants for copper and other butterfly species, and a handful have earned places in ornamental beds. The characteristic growth habit is erect and taproot-anchored, with mainly basal leaves and small flowers carried in branching terminal clusters that age to reddish brown.

The edible members of this genus have a long culinary history in European and Indigenous North American kitchens. Leaves can flavor soups, compound butters, and omelets, though large quantities should always be cooked properly given the oxalic acid content. The plants colonize disturbed ground enthusiastically, and 46 states have classified at least one species as weedy or invasive, so placement in the garden warrants some forethought.