Going to have to say California. We grow pretty good dope and a few other things as well.
We lead the US in producing most agriculture. We lead the country in producing:
Almonds
Escarole/Endive
Limes
Plums
Apricots
Figs
Melons, Cantaloupe
Plums, Dried
Artichokes
Flowers, Bulbs
Melons, Honeydew
Pluots
Asparagus
Flowers, Cut
Milk
Pomegranates
Avocados
Flowers, Potted Plants
Milk Goats
Raspberries
Beans, Dry Lima
Garlic
Nectarines
Rice, Sweet
Bedding/Garden Plants
Grapes, Raisins
Nursery, Bedding Plants
Safflower
Broccoli
Grapes, Table
Nursery Crops
Seed, Alfalfa
Brussels Sprouts
Grapes, Wine
Olives
Seed, Bermuda Grass
Cabbage, Chinese
Greens, Mustard
Onions, Dry
Seed, Ladino Clover
Cabbage, F.M.
Hay, Alfalfa
Onions, Green
Seed, Vegetable and Flower
Carrots
Herbs
Parsley
Spinach
Cauliflower
Kale
Peaches, Clingstone
Strawberries
Celery
Kiwifruit
Peaches, Freestone
Tangelos
Chicory
Kumquats
Pears, Bartlett
Tangerines
Cotton, American Pima
Lemons
Peppers, Bell
Tomatoes, Processing
Daikon
Lettuce, Head
Persimmons
Vegetables, Greenhouse
Dates
Lettuce, Leaf
Pigeons and Squabs
Vegetables, Oriental
Eggplant
Lettuce, Romaine
Pistachios
Walnuts
Wild Rice
We're the sole US producer of 14 of these items (sole producer meaning we produce over 99% for the country).