dock, bloodwort Rumex sanguineus Type:garden to table — culinary herbsPerennials Notable Traits:herb: culinarylow-maintenancestriking foliagetolerates clay soil Hardiness:Zone 5 – 8 Mature Height:8-12in Light:sun or shade Water:drought tolerantrequires regular watering Bloom Color:green Bloom Time:summer Foliage:greenpurplevariegated Butterfly Host:American Copper Description Distinct red veins color the foliage of this 15″ highly ornamental but also edible vegetable. A member of the sorrel family, grow in sun or partial sun.