PRUNING REQUIREMENTS : Page 865
Spiraea billardi Stephanandra fiexuosa
Billard's Spirea Stephanandra
Spiraea prunifolia Syringa (in variety)
Bridal Wreath Lilac
Viburnum (in variety)Viburnum
b. Late summer and fall-flowering:
Amorpha fruticosa Hydrangea (in variety)
False Indigo Hydrangea
Buddleia davidi (Cut back in spring to Sorbaria arborea
prevent danger of rotting) Chinese Mountain Ash Spirea