>>1378915>New Hampshirehttps://www.plantmaps.com/interactive-new-hampshire-2012-usda-plant-zone-hardiness-map.phpAfter you figure out what hardiness zone you live in, you can determine what plants you can grow. You can also get, "hardy," cultivars of stuff you normally couldn't grow there. Then you check the frost dates,
https://www.plantmaps.com/interactive-new-hampshire-last-frost-date-map.phpAnd, determine what length of growing season you have. Then you select cultivars that can grow to maturity in that amount of time, (days-to-maturity.)