Robuta

https://mygardenlife.com/plant-library/knotweed-fleece-flower-polygonum-affine Knotweed, Fleece Flower (Polygonum affine) - MyGardenLife FeaturesThis charming combination of petite foliage and short flower spikes disguises an incredibly rugged and versatile plant. It can be grown along the bank... fleece flowerpolygonum affineknotweed