Longmeadow is in full bloom, but Monty Don is keen to remind viewers that there is still time to sow some late vegetables, demonstrating how easy it is to grow salad in a pot. It's time to give wisterias their summer prune. An expert, whose 252ft vine was in full flower just weeks ago, shows how she cuts back that summer growth. Meanwhile, Carol Klein has been out and about in Norfolk to revel in the delights of the bearded iris.