Persicaria

A mat-forming, evergreen perennial with dark green leaves turning red in autumn.  It produces spikes of pale pink flowers becoming darker when mature from July to October.  Average height 20cm. Full sun/partial shade. Hardy. 

A mat-forming, evergreen perennial with large, dark green leaves turning red in autumn and spikes of pink flowers from July to October, turning red when mature. Average height 1ft, spread 1.5ft.  Full sun/partial shade. Hardy.    

Common name: Bistort A clump-forming, semi-evergreen perennial with mid-green leaves and slender spikes of stunning deep crimson flowers from from July to September. Average height 3ft, spread 2ft. Partial shade in a damp spot. Hardy.