Hosta Sherborne Swift will form a small mound of 10"-14" in height, with a spread of up to 26" at maturity. It makes a dense clump of blue-green in summer green to blue-green leaves.  The leaves are rather narrow, oblong to lanceolate. It has leaves of good substance making this one slug resistant. It is also sun tolerant. It blooms with pale lavender, almost white, flowers, held upon 24" scapes of blue, in the early summer.