Bill & Eleanor Lachman, it is a hybrid of two seedlings (a seedling x H. 'Flamboyant'
crossed with a H.
'Beatrice' seedling x Hosta sieboldiana
'Frances Williams'). Its name reflects the fact that it has red flower scapes and purple flowers in late season.
The Hostapedia by
(2009), "When grown properly, 'Cherry Berry' becomes an
attractive mound of white-centered foliage that produces purple
flowers on bright red scapes. Unfortunately, it has proven to be a
finicky grower. I've seen some beautiful specimens, but I've also
heard many people complain that they cannot get 'Cherry Berry' to