And, as the snow falls lightly today, I look out and am heartened by the multitudes of tiny, pink flowers on the Mediterranean Heath (Erica erigena) that provides me with a bit of flowering beauty the whole of winter.
I have found it to be wonderfully drought-resistant; it is one of the hearty shrubs and ground covers that populate "the cliffs and boulder screes" of Malta (http://www.mepa.org.mt/heath). It is also deer-resistant. I am considering more for my front landscaping because it has proven to be so lovely and easy to grow!
If you are trying to put together a year-round flowering garden, you can't go wrong with Mediterranean Heath.