Bees Are One of the Most Important Pollinators on Earth

Short list of crops that require bees for pollination.... 

Alfalfa, Almond, Apple, Apricot (some varieties), Artichoke, Avocado, Blackberry, Black locust, Blueberry, Boysenberry, Broadbeans*, Broccoli, Brussels sprouts, Buckwheat, Cabbage, Caraway, Carrots, Catalpa, Cauliflower, Celery, Cherry, Chestnut, Chicory, Chinese cabbage, Clover (some varieties), Coconut, Coffee*, Collards, Coriander, Cotton*, Crabapple, Cranberries, Crownvetch, Cucumbers, Currants, Dewberry, Dill, Eggplant, Endive, Fennel, Figs, Flax*, Garlic, Gooseberries, Grapes (muscadine), Grapefruit, Guar, Guava, Holly, Kale, Kenaf, Kiwi, Kohlrabi, Leek, Lespedeza (bush), Lima beans*, Loquats, Macadamia nut, Maple (red), Mandarin orange, Mango, Muskmelons, Mustard, Nectarines, Okra*, Onions, Orange*, Papaya, Parsley, Parsnips, Passion fruit, Peaches, Pears, Pepper, Persimmon (native), Plums and Prune, Pumpkins, Radish, Rape, Raspberry, Rutabaga, Safflower*, Squash, Strawberry, Sunflower, Sweetclover, Tangelo, Tangerine, Tendergreens, Trefoil, Turnips, Vetch, Watermelons, Yucca.

*Yields are increased when pollinated by insects.