Cover peas with water and soak overnight. Drain and rinse. Add new water to cover peas. Bring to a boil. Reduce heat and simmer 1 hour. Drain and cool to room temperature You may substitute a 16oz bag of frozen peas, cook per directions.
Heat sugar, oil, vinegar, garlic and pepper in a small saucepan. Stir constantly until sugar is melted. Set aside. Cool to room temperature.
Combine peas and veggies. Pour on dressing. Stir gently to combine. Try not to break up peas. Season to taste.