Wade of Wade and Gatton Nursery of Ohio registered this sport of
'Northern Halo' in 2000. It forms a large size mound of green
centered foliage with a white marginal variegation. It bears near
white flowers in mid-June.
The Hostapedia by Mark Zilis (2009), "...was formerly labeled 'American
Mohican Forest' in the
Wade & Gatton collection."
Similar cultivars include H. 'Northern Exposure'.