Gardening as a metaphor for marriage

From an instruction booklet for growing ornamental holly bushes:

'Plant (female bushes) in ground one to 1.2 metres apart with the male in the background, out of sight but functional." (from M. Platt, Thornton Hough, Merseyside)






See: http://treesandshrubs.about.com/od/selection/ss/18-Species-of-Holly-Trees-and-Shrubs.htm