The following taxa are (or were) represented in the collections at Boone County Arboretum. Additional taxa may be available in the trade that are not included here.
Philadelphus x 'Natchez' // Natchez Mockorange
Shrub. Bed 113
Philadelphus x 'Snow Velvet' // Snow Velvet Mockorange
Shrub. BS009106
Philadelphus x 'Snowbelle' // Snowbell Mockorange
Shrub. -- not currently in our collection --