Here in city areas of Zone 5, Cornus kousa is a beautiful replacement which
blooms a month later than florida. A couple of years ago, I planted one of the
Rutgers hybrids with pink flowers. It hasn't done much yet, but it is certainly
sturdy.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"A tree never hits an automobile except in self defense." - Woody Allen