Mock Orange shrub / tree (Highlands, NJ)

Purchased plants online and accidentally got sent a Mock Orange spray. I can't use it as it will get too big for our property. It is raw root (not in a container) approx 12" tall now.
How big does a mock orange bush get?
Most mock orange shrubs grow rapidly (about 2 feet per year) to reach a relatively large size of 8 feet or taller
3 to 10 feet
Genus Name Philadelphus
Height 3 to 10 feet
Width 4 to 6 feet
Flower Color White
Foliage Color Blue/Green, Gray/Silver
Spring Bloom
cold-hardy in USDA zones 4-8
Deer Resistant, Drought Tolerant, Good For Privacy