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
