Coarsely chop broccoli and place in a large bowl. Coarsely chop apples and brush with lemon juice to prevent browning; add to bowl. Shred carrot and add to bowl with blueberries, cranberries, sunflower seeds, pecans, and bacon.
Dressing:
Mix the mayonnaise, milk, apple cider vinegar, sugar, and poppy seeds. Pour over broccoli mixture and mix well. Makes 4 to 6 servings.