Monty gets his new vegetable garden underway by making raised beds. He also offers advice on how to cut back herbs. Nick Bailey marks the 400th anniversary of the death of William Shakespeare when he investigates the fact and the fiction behind the bard's potions and poisons at the Chelsea Physic Garden, and we visit Pashley Manor in East Sussex to unearth the story behind the planting of over 25,000 tulips.