Chop up the watermelon into bite-size pieces and place in a large bowl.
Wash strawberries and remove stem and leaves, and cut each into quarters and place on top of the cut watermelon.
Peel the jicama and chop into slivers. Suggested size is 1.5 inches by 1/8 of an inch.
Dice a red onion, or cut into slivers. However you prefer. Use approximately two cups of onion. Place in bowl on top of the strawberries.
Roughly chop the cilantro and place one cup into the bowl of chopped fruit and vegetables.
In a small bowl, add jalapeño, olive oil, lime juice, kosher salt, black pepper, cumin and chili seasoning and mix.
Mix the chopped fruit and vegetables. Pour liquid dressing on top and mix again.
Top with feta cheese and more cilantro. (Optional)
For patriotic flair, add blueberries.