Chirk: Pickled Onions, Tall Perennials and Picky Pests

Why are my herbaceous perennials growing so tall? What is the best type of onions to grow for pickling? Why do pests prefer my burgundy blooms over the rest? Kathy Clugston and an esteemed panel of gardening experts are in Wrexham to answer the questions of a green fingered audience. Joining Kathy on the panel are garden designers, botanists and alotmenteers Marcus Chilton-Jones, Bethan Collerton…