1 to 2 feet
0.75 to 1.5 feet
Flowers in the wild bear blue flowers. Newer hybrids come in shades of pink, white, purple, and blue.
Leaves are lance-like and have prominent white midribs.
Stems are upright and branching.
Shape in flower:
flower stalks with upright spikes
Flowers borne in clusters of 2 to 4 on upright stems. Generally, only 1 or 2 flowers in each cluster are open at the same time.