Elote Style Corn Chowder

Name: Elote-Style Corn Chowder
Ingredients: 8 medium ears corn (3 lb. 12 oz.), shucked; 4 Tbsp. (2 oz.) unsalted butter; 1 medium yellow onion, finely chopped (1½ cups); 1 rib celery, finely chopped (½ cup); 1 medium poblano pepper, seeded, stemmed, and finely chopped (½ cup); 4 cloves garlic, finely chopped (1 Tbsp. plus 1 tsp.); 1 tsp. dried Mexican oregano; 1 fresh bay leaf; 3½ cups whole milk; 3 medium yellow potatoes (about 1½ lb.), peeled and cut into ½-inch pieces; 1 cup heavy cream; Kosher salt; 1 Tbsp. ancho chile powder, plus more for topping; ¼ cups thinly sliced cilantro; ½ cups Mexican crema or sour cream; ½ cups crumbled cotija cheese; Lime wedges, for serving