Hull and slice the strawberries. Place in a large bowl along with the blueberries and blackberries.
Slice off the top and bottom from the pineapple, and slice off the sides to reveal the fruit of the pineapple. Cut in rings and dice. Add to the bowl.
Crumble the gorgonzola, and add to the bowl along with the greens and walnuts - if using. Do not toss.
Ginger Poppy Seed Dressing
Whisk together all of the dressing ingredients through the apple cider vinegar. Whisk in the olive oil, and then the yogurt and poppy seeds. Drizzle the dressing over the salad, and very lightly toss. Serve with additional dressing on the side.