Carol is now harvesting the first of her carrots and has been dining off an abundance of chard for weeks! A visit to some native foxgloves thriving in a nearby hedgerow reveals the secrets to success with growing these wonderful plants, and kicks off a look at the whole family of plants to which they belong. This includes snapdragons, verbascums and penstemons — some of our most useful garden plants, all well loved by gardeners and insects alike.