P. The flower spikes rise well above the somewhat spreading foliage. Ideal for herbaceous borders as they are mostly in bloom from May to September and are easily increased by division in March. Fire Opal (scarlet-orange), Red Wings (crimson-scarlet) and Princess Juliana (deep orange) are good varieties, all growing to about 2 ft. The foliage is sometimes eaten by sawfly larvae. Organicor nicotine is the best remedy.