1. Bring a medium saucepan of water to boil over high heat. Add the asparagus and cook until tender, about 2 to 3 minutes. Drain and rinse under cold water.
2. Meanwhile, cook pasta according to package directions. Drain and rinse under cold water.Make Lemony Dressing::
3. Whisk together olive oil, fresh lemon juice, minced garlic, lemon peel, Dijon mustard, freshly ground black pepper, and salt in a large bowl.
4. Toss Lemony Dressing with pasta, asparagus, radishes, peas, green onion and parsley. Makes 4 servings.