Here’s how to prune ornamental plants and trees
Amelanchier (shadbush): prune only to shape, as either bush or tree.
Carpinus betulus (European hornbeam): These ornamental plants and trees need to be pruned to tree form.
Carpinus orientalis (Oriental hornbeam): prune to tree from.
Cassia fistula (golden-shower, senna): Unlike other ornamental plants and trees, cut back seaon’s growth to short spurs after blooming.
Cercis (redbud): prune after blooming if necessary.
Cornus florida, Cornus Kousa (flowering dogwood, Kousa dogwood): These ornamental plants and trees variety need to be pruned as little as possible; heals slowly.
Cotinus obovatus (American smoke tree): prune to grow as bush or small tree; cut off fading flowers.
Crataegus (hawthorne): prune to shape in late winter, renew branches if necessary.
Eleagnus (Russian olive): prune these ornamental plants and trees only to control size, if necessary, in late winter.
Euonymous atropurpurea (burning bush): prune in late winter, only if necessary.
Fanklinia alatamaha (Franklin tree): prune to tree form.
Halesia monticola (silver-bell): needs pruning rarely.
Hydrangea paniculata ‘Grandiflora’ (peegee hydrangea): prune in late winter.
Laburnum anagyroides (golden chain): prune these ornamental plants and trees after blooming. necessary.
Loelreuteria paniculata (golden rain tree): prune to shape when young.
Magnolia (magnolia): prune just after blooming.
Mulus (flowering crab apple): prune to shape, renew old wood if necessary.
Myrica cerfifera (wax myrtle): prune to remove winter injury, or to shape, in late winter.
Myrica pennsylvania (bayberry): prune these ornamental plants and trees to remove suckers, winter injury.
Oxydendrym arboreum (sourwood): needs pruning when young.
Prunus (flowering almond, apricot, cherry, peach, plum) prune to shape in late winter.
Rhamnus davurica (buckhorn): prun to shape in late winter.
Sorbus (mountain ash): prune to tree form in late winter.
Symplocos paniculata (sweetleaf): Prune to shape, renew old branches.
Syringa reticulata (Japanese tree lilac): prune right after blooming, if necessary.
Vibernum (cranberry bush, nannyberry, black haw): prune in late winter only