'Firetail' Knotweed (Persicaria amplexicaulis ‘Firetail’)
What plant is popular in Europe and was the 2010 Royal Horticultural Society (RHS) Plant of Merit?
The 3' - 4 ft tall 'Firetail' Knotweed or Persicaria amplexicaulis ‘Firetail’
It forms a bushy mound of foliage topped by brightly colored “tails” of tiny crimson flowers. A good plant for moist areas along streams or ponds, it prefers partial sun to full sun conditions. It has no serious disease or insect problems. Hardiness USDA zones 5 to 9
It looks great in a mass planting and wonderful as a background for asters, mums, short grasses, and geranium 'Rozanne'.
Contrasts well with purple salvia, echinops, helianthus, nepeta or perovskia. Underplant it with early-spring-blooming bulbs for color in the spring .
Persicaria 'Pink Elephant' from Chris Ghyselen