Planting beetroot in the Calendar Veg Patch: "You can't beet it", says Jon MitchellCalendarVeg Patch DiariesJon Mitchellseeds Wednesday June 19, 2019, 5:45 PMJon Mitchell back out in the Calendar Veg Patch Credit: ITV News CalendarJon Mitchell has returned to the Calendar Veg Patch this week to plant 'brassicas', a genus of plants in the mustard family.He sowed broccoli and cauliflower seeds along two narrow troughs.He then added beetroot, a personal favourite of Jon's. play-icon Created with Sketch.