What is the importance of Hugo's garden in the novel, Under the Whispering Door?

Hugo's garden is where Wallace and Hugo have most of their personal conversations. It is here where Hugo grows all of the tea plants he needs for both the storefront and to soothe the souls of the dead. This is the first place where Wallace starts to understand his situation and regret the actions he took in life. This is also where Hugo tells Wallace the stories of Cameron, Lea, and Nancy so that Wallace can better understand the importance of Hugo's job, as well as the regrets he has. The garden is a peaceful place that allows both of the main characters - Hugo and Wallace - to unwind, gather their thoughts, and reset for future plot points.