You should pick bagworms of off your evergreens, that way there will be less of them next spring!
April showers will benefit trees, shrubs and evergreens you should also plant them early so roots can develope properly.
Make sure that container plants under eaves or tall evergreens get enough water.
Since the soil should be warming up, now is an ideal time to move evergreen shrubs.
Remember to prune your evergreens and bring them into shape.
Evergreen hedges should now be trimmed: that way they will be in shape for winter.
Do you grow sempervivums? They are really easy-to-grow evergreen perennials! About sempervivums: http://j.mp/Mhc3p2
Are you looking for unusual evergreens? How about Azara integrifolia? About this plant: http://j.mp/P9qUAA
Are you looking for evergreen shrubs? How about a Kalmia? Some pictures of some Kalmia varieties: http://j.mp/LmCRDZ