Hosta Firefly will form a small upright mound of 8"-10" in height, with a spread of up to 18" at maturity. It has green leaves with a narrow pale cream to white margin, with a good solid clump forming over the years. Can be a fast grower given the correct conditions. Lavender flowers appears on scapes of up to 16" in late summer. Possibly slug resistant to a large degree and will take a little sunshine in a dappled shade border.