The following plant wish list was compiled using recommendations from the Royal Horticultural Society’s ‘Perfect for Pollinators‘ publication, selecting species with proven wildlife value.  From the original long list the choices have been whittled down to those plants that are commonly available to gardeners and those that are known to be drought tolerant once properly established (aside from the fruit bushes – they love water!).  Lastly, a few extra species have been added that perform well in my own garden and that will enhance the rooftop’s habitat value.   A downloadable PDF version with more detail is available here.