Question: what are quick growing shrubs?
Answer: North Privet. Ligustrum x ibolium. This deciduous or semi-evergreen shrub is America's fasting-growing hedge, growing up to 3′ per year. ...  Forsythia. Forsythia x intermedia. ...  Crapemyrtle. Lagerstroemia indica. ...  Beautybush. Kolkwitzia amabilis. ...  American Hazelnut. Corylus americana. ...  Pee Gee Hydrangea. Hydrangea paniculata 'Grandiflora'