1Layer carrots, potatoes and celery in 3 1/2- to 4-quart slow cooker. Place stew seasoning in resealable plastic food-storage bag. Add beef; toss to coat. Add beef to cooker; sprinkle with any remaining seasoning. Pour in water. Layer frozen corn and green beans on top.
2Cover and cook on low heat setting 8 to 10 hours until beef is tender. Stir stew before serving.