Vidalia Onion Festival - Air show, arts and crafts, cooking school, fireworks, and street dance. Held in Vidalia, Georgia during April. - http://www.vidaliaonionfestival.com/
Stockton Asparagus Festival - Features vendors, arts and crafts, and entertainment, with the proceeds going to charity. Held in Stockton, California, over a weekend in late April. - http://www.asparagusfest.com/
Hatch Chile Festival - Events include a cook-off, parade, Chile Queen festival, competitions, and carnival rides. Held over a weekend in early September in Hatch, New Mexico. - http://www.nmchili.com/hatch_chile_fest.htm
East Maui Taro Festival - Focusing on kalo or taro, Hawaii's traditional staple food. Features information on taro, past festivals, schedule, and dates. Held in Spring in Hana, Hawaii. - http://www.tarofestival.org/
Crystal Springs Tomato Festival - Occurs in late June in Crystal Springs, Mississippi. Events include farmers market, art competition and contests for the biggest, ugliest, tastiest, and best dressed tomatoes. - http://www2.msstate.edu/~ricks/cstomato/tomfest.html
Castroville Artichoke Festival - Features a classic car show, parade, cooking and art competitions, farmer's market, and entertainment. Held in mid-May annually since 1959 in Castroville, California. - http://www.artichoke-festival.org/
Barnesville Potato Days Festival - Celebrates the potato with peeling and picking contests, a lefse cookoff, potato sack fashion show, mashed potato sculpturing, bushels of potato foods and other events and activities. Held in August in Barnesville, Minnesota. - http://www.potatodays.com/