How to Prune red bistort 'Keep Smiling'?
No pruning required
red bistort 'Keep Smiling' · Pruning
red bistort 'Keep Smiling' · Bistorta amplexicaulis 'Keep Smiling'
Grow in moisture-retentive but well-drained soil in full sun or partial shade
Watering: Keep soil evenly moist, deep watering encourages robust clump expansionSunlight: Full sun · Partial shadeInformation to be completed