This cultivar was registered by Don Dean of Minnesota in 2008 and it is a hybrid of H. 'Frosted Dimples' × H. 'Salute'. 'October Sky' grows into a vase shaped, medium size hosta around 20 inches in height by 30 inches wide. The flowers are near white with pale lavender colored interiors that bloom from August into September. It sets viable seeds in green pods.

There is also a cultivar named H. 'October Skies'.