What are the plant fruits and vegetable fruits that grow during summer and grow in cool climate?

First of all you can find this info in seed catalogs. That said, any of the cole family cabbage,kale,brussel sprouts,broccolli,califlower. then lettuce potatoes, some tomatoes(stupice is one) there are some onions and leeks that will grow in cool weather. seed catalogs: johnny's select seeds burpee jungs seed