Eggplant Listada. Photo courtesy Seed Savers Exchange by Connie Oswald Stofko You may have heard that if you want flavorful tomatoes, go for heirloom varieties. But did you know that there are heirloom and specialty varieties in other vegetables including eggplants, cucumbers and peppers? “These are varieties that you wouldn’t even see in a supermarket,” said Patti Jablonski-Dopkin, general manager of Urban Roots Cooperative Garden Market, 428 Rhode Island St., Buffalo. Urban Roots carries about 35 varieties of heirloom and…