Answer: My landscape looks a lot like yours; I'm afraid we're all dealing with frost damage this year. The best advice is to do nothing at all at this point. Wait until early spring when growth normally begins and then carefully inspect each of your plants. You may find new leaves emerging from what look like dead branches. If so, your plants are on their way to recovery. If you do not see any new growth, or all the growth is at the bottom of the plant, cut away the dead portions and wait for the roots to send up new stems. I think the ficus trees took the worst of the damage. The crispy brown leaves will fall but the stems should be okay. Watch for new leaves to appear in the spring.
One of the best hands-on pruning books is a paperback entitled Pruning by Christopher Brickell. It has tons of sketches and you can take it into the yard with you while you prune so you'll be sure to make the right cuts.
We're always happy to help so be sure to drop by often.
Best wishes with your garden!
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