Hosta Bulletproof will form a medium sized mound of 32cm - 45cm in height, and a spread of up to 90cm at maturity. It is a tough Hosta with extremely thick, ribbed, pointed, powder blue leaves. The foliage stays a lovely blue colour right through the season as long as you keep it out of the sun. Pale lavender flowers held on scapes of up to 60cm start to appear in June and last throughout July. Thought to be a sport of Hosta Halcyon and is slug resistant.