Quote:
Originally Posted by Ford Prefect
Some perennials like to have mulch or some such cover over them after they've been pruned. And some shrubs, like roses, should be wrapped with burlap. If cedars/junipers are in an exposed, windy location they sometimes need to be wrapped with burlap too ... especially when younger. Yews and other such shrubs like that which are not rated for this temperate zone in particular need to be wrapped.
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Never wrap with burlap. You can make a burlap wall.
http://www.renegadegardener.com/cont...that2004.htm#1
Only some borderline hardy roses need protection. There are plenty of hardy roses here.
In regards to perennials, you can leave the old growth on and just cut it back in spring (or never, if you're really lazy) if you wish.