I am considering pruning the yews in front of the house we moved to, which have been here since the house was built 20 years ago. They've overgrown more than I'd like and I am thinking to cut them back There are 4 bushes hidden in that boxy hedge and I would like to see smaller separate bushes. I have read that yews would get leaves on old wood as well when you prune. I have attached an image of the hedge.
Questions I specifically I have are;
1. This is about 4 ft tall. My target height is about 2-2.5 feet. Should I be cutting back gradually, or can I go hard directly to 2 ft?
2. Would it be ok to prune now, or should I really wait till fall or early spring? (I am in Ohio)
3. If pruning now is ok, is there anything specific I need to do to care for them as we get in to summer?