Aren’t barberry and rose of sharon invasive plants that you suggest to plant for screens?
Unimaginative suggestions! Arborvitae, forsythia...
Certified GKH Gardening Expert
All plants have the capacity to become invasive given the right climate. It would be very unfair to gardeners in areas that these are not invasive if we were to leave out information on the subject. Very often, new cultivars are released that are not invasive.