Rhododendron 'Boule de Neige" midseason flowers are pure white.

Rhododendron 'Bubblegum' has larger flowers than it’s predecessor and makes a terrific show.

Rhododendron 'Cody' has frilly-edged pink flowers, pale yellow overlaid with moderate purplish pink at edges.

Rhododendron 'Florence Parks' produces abundant whorls of attractive deep purple flowers.

Rhododendron 'Holden's Solar Flair' has medium-large, creamy-yellow flowers, with showy red marks in the throat.

Rhododendron 'Nancy Evans' has orange-red buds open to yellow hose-in-hose blossoms in mid-season.

Rhododendron 'Neon' has a vivid orangey-peach with a yellow throat, dark leaves, and compact growing to boot!

Rhododendron 'Percy Wiseman' has rare peach-colored blossoms that appear in midseason.

Rhododendron 'Polarnacht' has frilly deep dark purple blooms with spotted red throats are held in trusses of 12-14.

Rhododendron 'Purple Passion' has regal, deep reddish purple blooms highlighted with white and delicate maroon spots.

Rohdea japonica is a beautiful and useful evergreen, subtropical-looking perennial from Asia tolerant of dry shade.

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 cautleyoides 'Jeffrey Thomas' has pale yellow flowers with a particularly large flower lip.

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.

Roscoea x beesiana has white to pale cream orchid-like flowers with varying amounts of purple streaking.

Salvia madrensis 'Red Neck Girl' has maroon stems that are adorned later in the season with a compliment of yellow flowers.

Sasa kurilensis 'Shimofuri' has long, variegated foliage up to 10x2" long and wide with thin white parallel stripes.

Sauromatum giganteum is a weird aroid with large, arrow-shaped leaves and burgundy spathes with burgundy-black spadices.

Sauromatum venosum is a weird, otherworldly looking aroid with a 2 foot tall inflorescence speckled deep purple and yellow.

Schefflera delavayi is a lush and tropical but totally hardy shrub or small tree at the cutting edge of woody horticulture.