Break apart the feta into bite-size pieces and mix with other ingredients. Chill and marinate for at least 30 minutes.
Lemon Herb Vinaigrette
Combine all the ingredients in a jar with a tight fitting lid. Shake until well combined. Refrigerate until ready to use. Shake to combine before adding to the salad.
Salad
Toss the pea shoots, asparagus, and peas together. Arrange on a plate or platter. Top with the feta and radish slices. Garnish with picked herbs and lemon zest. Drizzle with vinaigrette right before serving.