Ron Livingston of Michigan registered this medium size (11 inches high by 16 inches wide) hybrid of H. 'Atom Smasher' × an unidentified hosta in 2013. The greenish yellow foliage is lance shaped, folded and wavy. Pale lavender, tubular flowers with stripes bloom from July into August. It sets viable seeds.

An article by Warren I. Pollock in The Hosta Journal (2015 Vol. 46 No. 1) states that hosta hybridizer Ron Livingston has changed the name of one of his plants from H. 'Afterglow' aka H. 'After Glow' to H. 'Tremont Afterglow' which he registered in 2013. Walters Gardens registered a plant named H. 'Afterglow' in 2012.