Answer: Daphne should be hardy to your area, most are hardy in zones 4-8, you are zone 7. They prefer a sunny position in a well drained, sandy soil of neutral pH. The north winds you mention may be a problem as daphne grows best with some winter protection. Have you considered a rhododendron? They are evergreen, have beautiful flowers, and if the the midday summer sun isn't too intense it shouldn't be a problem. There are some varieties which are much hardier than others (i.e., will put up with more sun and wind). One variety that comes to mind is R. 'P.J.M.' (R. carolinianum x dauricum). Also a variety called R. 'The Hon. Jean Marie De Montague'. I also think of Viburnum, particularly the variety V. x burkwoodii. This variety features both flower and fruit (tiny, glossy red berries), evergreen in the south, foliage turns rich purple in more northern areas. They have a gardenia like fragrance and are cold/heat tolerant. Both rhododendron and viburnum require little, if any, pruning. The viburnum I recommend above reaches approx. 6-8' tall, 6' wide. Rhododendrons mentioned above grow 5-6' tall, with equal spread. Let us know if you need sources.
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