It Might as Well Be Spring Vegetable Soup

Name: It Might as Well Be Spring Vegetable Soup
Ingredients: 2 tablespoons Olive oil; 1/8 teaspoon Crushed red pepper; 1 Onion, chopped; 3 Each: Carrots and Celery stalks, chopped; Kosher salt and fresh ground pepper; 2 tablespoons Lemon thyme; 1/2 cup Parsley, chopped; 1/3 cup Dill (fresh), chopped (plus 3 tablespoons for garnish); 2 Garlic cloves, minced; 1/4 cup White wine (dry); 1 Fennel bulb (large), cored and sliced; 2 Leeks, thinly sliced (white and light green); 1/2 pound Asparagus, trimmed and sliced into 1-2-inches (reserve tips); 2 quarts Vegetable stock; 1 cup Water; 1/2 Lemon, optional