It might handle different locations a bit differently, but whichever option I use (feed insects, easy care, soak up rain, etc) it basically suggests me to just leave the most common weeds grow to end up with a heath covered in brambles/wild roses/various thorny weeds.
Which is logical I guess, if the goal is just to have native plants that grow naturally here. But I suspect few people are looking for this without any consideration to the ornamental and recreational qualities of the plants.