A streaked sport of ‘White Angel’ and white Angel is a sport of ‘Blue Angel’. In a way, it is a streaked Blue Angel. The following information is about ‘Hosta Blue Angel’ only. And since there is very little information about this rare hosta, your guess is as good as mine from mature size, flower, and if it produces viable seed for breeding…”This blue leaf hosta is probably the largest blue hosta known. Produces huge blue leaves with heavy texture. Near white hyacinth-like flowers in midsummer. A classic favorite. Matures at 71 inches wide and 36 inches high” Zones 3-9.