Put the farro in a large sauce pan, cover with plenty salted water and bring to a boil. Cook for 15-20 minutes until tender, drain and cool.Add the lemon, olive oil and a pinch of salt and pepper into a large bowl and whisk until emulsified. Add the chopped herbs and stir.Add all the vegetables to the bowl alongside with cooled farro. Mix everything together to combine. Check for seasoning and add more if required. Serve.