In a small bowl, combine the first six ingredients. Cover and refrigerate for 30 minutes or until easy to handle. Meanwhile, on a plate, combine pumpkin seeds and sunflower kernels; set aside.
Shape cream cheese mixture into a ball; gently roll in pumpkin seed mixture (lightly press seeds into cream cheese mixture if necessary). Wrap and refrigerate for at least 2 hours or until firm. Serve with crackers or vegetables.