Stiff upright baby blue evergreen leaves make this a nice vertical accent . This plant will live in water up to 2'' deep but also has the advantage of being more drought and heat tolerant than other species in this group. Grow in or out of the water. 12- 24'' Tall and wide. Zone 4 'Blue Arrows is a nice blue upright selection 'Blue Medusa' Is a is a fantastic blue corkscrew variety.