Grandma's Slow Cooker Beef and Vegetable Soup
1 (14.5 ounce) can stewed tomatoes 1 (15 ounce) can green beans, drained 1 (15 ounce) can peas, drained 1 (15.25 ounce) can whole kernel corn, draine… 1 (32 fluid ounce) container beef broth, or m… 1 clove garlic, minced, or to taste 1 large stalk celery, cut into bite-size piec… 1 onion, chopped 1 pound lean ground beef 1 ½ tablespoons chopped fresh parsley 2 bay leaves 2 potatoes, peeled and cut into bite-size pie… 3 carrots, cut into bite-size pieces ½ teaspoon celery seed