Are rabbits attracted to it? Can you cover it in winter to protect from freeze?
Certified GKH Gardening Expert
Rabbits do occasionally feed on Echeveria plantsre, but squirrels seem to like them far better. Here are some articles on managing these animal pests:
As for winter care, you can cover the plants but the main thing is that they remain dry. If possible, however, it's normally recommended that you pot up Echeveria and overwinter indoors.