Growth typeRhizome, perennial
Plant height30 cm to 100 cm
Growth characteristicsupright, forming clumps, runners
Flower colormulticolored, violet
PrimeJune, May
Flower shapeterminal, cymose
Leaf colorgreen
Leaf shapeparallel-nerved, strap-shaped
Soil typesandy to loamy
Lightsunny
Decorative or utility valueFloral decorations