
knotweed ‘Blackfield’
Bistorta amplexicaulis ‘Blackfield’
Botanical Name | Bistorta amplexicaulis ‘Blackfield’ |
Common Name | knotweed ‘Blackfield’ |
Family | Polygonaceae |
USDA Zone | 4 thru 9 |
Light Requirement | full sun, part shade, shade |
Season(s) of interest | summer, fall |
Height and Spread | 3 ft x 1.5-3ft (90cm x 45-90cm) |
Flower Color | red, pink, maroon |
Attracts Wildlife | attracts pollinators, drought tolerant |
Additional Information | not native to the US Midwest. B. amplexicaulis native to the Himalayas. Introduction from breeder Chris Ghyselen of Belgium. |
Location in Lurie Garden | Extrusion Plaza |
Average Flowering Time
