Lady's-thumb

Location: Main Campus (historic - 1911)
Approximate blooming period: early summer - fall

Lady's-thumb, Persicaria maculosa

Origin: China, Japan, Korea, Tiawan 
Habitat: Hardy to USDA Zone 5 
Height and Form: up to 70 cms tall 
Foliage and Bark: green leaves and stems with black blotches 
Flowers, Fruit and Seeds: small, red, pink, or purple flowers 
Names: smartweed, redshank
Culture: is self-pollinated and avoids shady areas 
Cultivars/Varieties: