Want to know what is beloved by James Van Sweden and Piet Oudolf and was a 2010 Royal Horticultural Society Plant of Merit? Hardiness USDA zones 5 to 9.
The 'Firetail' Knotweed or Persicaria amplexicaulis speciosa ‘Firetail’ - It is 3' - 4 ft tall.
|photo by Chris Ghyselen|
It looks great in a mass planting and wonderful as a background for Asters, mums, short grasses, geranium 'rozanne'.
|photo courtesy of Big Dipper Farm|
It contrasts well with purple salvia, echinops, helianthus, nepeta or perovskia. Also effective in moist areas along streams or ponds.
Persicaria amplexicaulis prefers moist soils and partial sun to full sun conditions. It has no serious disease or insect problems.
Persicaria Pink Elephant from Chris Ghyselen