There are many ways to grow your own produce, to reduce the dependency external sources.
Vegetable Gardens
Make money by saving money - - - > http://www.getrichslowly.org/blog/2009/01/11/7-tips-for-starting-your-own-vegetable-garden/
When to start and helpful tips - - - > http://www.sunset.com/garden/fruits-veggies/how-to-plant-vegetables-00400000040732/
Don't have much space for a garden? - - - > http://www.sunset.com/garden/fruits-veggies/small-space-vegetable-gardens-00400000044403/
Common Types of Vegetables
Leafy vegetables
Artichoke
Lettuce
chicory, endive, witlof and radicchio
Silver beet (Swiss Chard)
Cauliflower, Broccoli and Broccolini
Cabbage, Kale and Borekale (collard greens)
Brussels sprouts
Spinach (various types)
Celery, Rocket and Celeriac
Fruiting vegetables
Tomato
Capsicum, Peppers and Chilies
Eggplant
Cucurbits (Melons, Cucumber, Pumpkin)
Peas
Beans
Other Legumes (Pulses)
Sweet corn
Root vegetables
Potato
Sweet Potato
Taro
Carrot
Parsnip
Beetroot
Turnip and Swede (Rutabaga)
Onions
Garlic
Radishes
Leeks
Perennial vegetables
Asparagus
Horseradish
Rhubarb
Choko
Fungi
Truffles
Field and Garden Mushrooms
Shitake and other Gourmet Mushrooms
Rare or unusual types of vegetables
Okra
Fennel
Ginger
Plantain
Burdock, Cardoon
Salsify (vegetable oyster)
Scorzonera
Water chestnut
Wasabi
"Non-vegetable" vegetables
Luffa
Gourds
Ornamental Corn