Deer proof plants

Shrubs:

Japanese Andromeda, English Boxwood, Leucothoe, Euonymus, Alata Barberry (all types), Oregon Grape, Holly   Groundcover: Pachysandra, Cotoneasters, Juniper, Procumbens 

Perennials:

Ajuga, Akebia, Alchemilla, Allium, Angelica, Artemisia, Asarum, Bergenia, Borago, Buxus, Campanula, Campsis, Celastrus, Cerastium, Clematis, Convallaria, Delpinium, Dianthus, Digitalis, Duchesnea, Epimedium, Fallopia, Ferns (various), Fragaria, Galium, Helianthus, Iberis, Ipomoea, Lamium, Liriope, Lobelia, Lonicera, Mimulus, Myosotis, Nepeta, Ocimum, Pachysandra, Papaver, Parthenocissus, Persicaria, Petunia, Potentilla, Pulmonafia, Salvia, Sanguisorba, Sedum, Sempervivum, Spiraea, Vinca, Vitis, Viola, Waldsteinia 

Bulbs:

Daffodils 

Annuals:

Ageratum, Begonia, Calendula, Impatiens, Zinnia 

Without renovating your entire landscape to include "deer proof' plants, consider fencing off those plants that are most valuable. Or place small bars of highly scented soap around the trees and shrubs to discourage deer browsing.