In a jar with a tight fitting lid, combine the oil, vinegar, brown sugar, tarragon, oregano, salt, garlic powder, dill weed and mustard. Cover and shake vigorously. Chill for one hour.
In a large bowl, combine the broccoli, cabbage, raisins, peanuts, sesame seeds, poppy seeds, sunflower seeds, celery, carrots, banana, green onion and green bell pepper. Pour dressing over salad and toss. Serve immediately.
