Monty Don offers some advice on what to do with your spent tulips and shares some tips on how to make the perfect herb garden. He plants out French tarragon and lemon verbena. He also removes spent tulips from pots and replaces them with dahlias. We meet Carrie Thomas in Swansea, who holds the National Collection of aquilegia, and celebrate all that this theatrical, delicate flower has to offer. We meet publican Carry Thomas and see his award winning hanging baskets in his London pub. And Carol Klein is with new gardeners Dan and Dominique, giving their veg patch a necessary kick-start. She helps them make the most of their new raised beds and gives them tips on how to grow a wide range of tasty crops.