Romneya coulteri or Matilija poppy has incredible, crepe-paper thin, pure white petals with large yellow centres atop bluish foliage!

Roscoea alpina is a cool ginger relative with orchid-like light purple flowers.

Roscoea ‘Brown Peacock' has orchid-like, lavender flowers on top of purple-brown stalks with clasping green leaves that are red-flushed beneath.

Roscoea purpurea 'Cinnamon Stick' has blood red stems that ascend to bronzed leaves and large, orchid-like lavender flowers.

Roscoea ‘Spice Island' has lavender purple, orchid-like flowers on top of deep red stalks.

Rudbeckia occidentalis 'Green Wizard' is for esoteric gardeners who like odd plants, especially those without petals!