Bellflowers, or Campanula, are native to the Northern Hemisphere and are incredibly versatile, as they can be grown as perennials, biennials, or annuals, depending on your hardiness zone and the ...

A species of wasp called Cotesia glomerata does this inside the bodies of large white caterpillars. The large white eats cabbage, making it a common sight in British gardens. Broad says, 'If your ...