It's my first spring and summer in our new home and the former owners had extensive beautiful landscaping. We have about five hydrangeas and we thought we prune them correctly in the spring. Please forgive my lack of knowledge we have some of the old wood and the new growth and at this point I don't know if I should cut out the old wood and just let the new wood take over. Any guidance would be really helpful. And if I am supposed to cut them back how far down am I supposed to cut them.

