Toss persimmons with dates and cashews in a medium bowl. In a small microwave-safe bowl, whisk together ginger, honey, and salt. Microwave until honey is thin enough to drizzle, about 20 seconds. Whisk again, then drizzle on salad and toss to coat. Serve with lime wedges to squeeze on top.
Note: Nutritional analysis is per 1-cup serving.