dock, bloodwort Rumex sanguineus Type:garden to table — culinary herbs, perennials that last Notable Traits:herb: culinary, low-maintenance, striking foliage, tolerates clay soil Hardiness:Zone 5 – 8 Mature Height:8-12in Light:sun or shade Water:drought tolerant, requires regular watering Bloom Color:green Bloom Time:summer Foliage:green, purple, variegated 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.