Description
N. ‘Six Hills Giant’ – This vigorous, clump forming perennial grows 36″ tall and 24″ wide.It produces narrowly ovate, toothed, hairy, aromatic, light gray green leaves, to 1 ½” long.In summer it bears abundant spike like, whorled cymes of lavender blue flowers, to 3/4″ long.
Grow in any well drained soil in full sun or partial shade.Taller species benefit from staking.Divide in spring or autumn.
Zones 3-8