Viburnum ‘Moonlit Lace’

We love the evergreen Viburnum ‘Moonlit Lace’, a hybrid between Viburnum davidii and V. tinus, but are disappointed at the growth sizes given by on-line vendors. The largest mature size I found on-line is 4′ tall x 5′ wide. Our 8 year old plant below is now 7′ tall x 10′ wide. This is growing