Popsugar Living Cooking Basics Summer Produce Guide Your Ultimate Summer Produce Guide May 10, 2017 by Lisette Mejia View On One Page Photo 4 of 34 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Blackberries Blackberries are available as early as May and as late as October. Previous Next Start Slideshow Cooking BasicsCooking TipsSummerFruitsProduceVegetablesSummer Food