Sara Sheridan

It's the summer of 1822 and Edinburgh is abuzz with rumours of King George IV's impending visit. In botanical circles, however, a different kind of excitement has gripped the city. In the newly-installed Botanic Garden, the Agave Americana plant looks set to flower, an event that only occurs once every few decades. When newly widowed Elizabeth arrives in Edinburgh to live with her late husband's aunt Clementina, she's determined to put her unhappy...