No more than four hours before serving, prepare fruit. Peel, core, and chop pineapple. Hull and halve strawberries. Peel, pit, and chop mango. Peel and slice kiwi. Peel and chop dragon fruit. Store fruit in the refrigerator until it's time to serve.
In a small bowl, whisk together apricot preserves, lime juice, grapefruit juice, and poppy seeds.
Pour dressing over fruit and gently combine. Serve with optional mint garnish.