Rhamnus alaternus 'Argenteovariegata'

(Variegated Italian Buckthorn)

Whitish evergreen foliage can reach 6 x 8 ft. Sun.

Zone 7

Rhodohypoxis x 'Hebron Farm Cerise'

(South African Red Star)

Bright pink starry flowers on 3 inch plants from April to Sept. Sun. Zone 7

Rhus typhina 'Laciniata' (Lace Leaf Sumac)

Deep cut foliage which turns brilliant red in Fall to 6 ft. Flower spikes are very ornamental. Sun. Zones 5-9

Ribes laurifolium    (Evergreen Currant )    Leathery evergreen foliage with creamy-white flowers early in spring. Edible berries follow. 3 x 4    Semi-shade to Sun. Zones 7-8    

Ribes sanguineum 'King Edward'

(Red Flowering Currant)
Deciduous shrub with dark red flower clusters in spring. Dark fruit follow. Can grow to 10 ft. Best in sun.  Zone 7

Ribes sanguineum 'Strybing Pink'

(Strybring Pink Currant)         
Lovely dark pink large flowers in clusters early in the Spring. Deciduous shrub to 10 ft. Best in sun to partial shade. Zone 7  

Ricinus communis 'Carmencita' (Ruby Castor Bean)
Annual plant in the NW which is entirely toxic but beautiful in the garden! 4-8 ft high by 2-4 ft wide. Best in well-drained soil and sun       

Rodgersia henrici - Hybrids
Pink flowers, followed by pink-red fruit stalks. Bright red foliage with a bronze whiff. Sun. Zone 7

Rodgersia pinnata 

Large pinnate foliage with tiny pink flowers. Summer bloomer. 3-4'. Boggy area. Shade.     

Rodgersia podophylla 'Rotlaub'

(Stout-Stalked or Yagu-ruma-so)
Large palmate, coppery-green leaflets to 3 ft. Zone 5.  
Fluffy yellowish-white panicles in Summer. Sun or shade.   

Rosa 'Autumn Damask' (Damask Rose)

A repeat bloomer with double pink, very fragrant flowers. To 4 ft. Sun. Zone 7

Rosa 'Ghislane de Feligonde' (French Multi-flora Rose)     Double Apricot to peach, fragrant flowers in clusters from summer thru fall. Old fashioned Rambler. Best in sun. Zones 6-8           

Rosa 'Blanc Double de Coubert'

(Blanc Double de Coubert Rose)
Double, white and very fragrant flowers throughout summer.  R. rugosa x "sombreuil' Drought and disease resistant. Sun. Zone 7

Rosa 'The Gift'

Single, white, fragrant flowers on small bushy plants, blooming repeatedly from late Spring to Fall. 12-36 inches tall and wide. Sun Zone 6-9         

Roscoea auriculata (Tibetan Orchid, Ginger family)
Brilliant purple flowers a cross between an orchid and an iris, in Summer. 12 to 22 inches tall. Shade to partial shade. Zone 7

Roscoea cauntleoides ("Of Moonlight Radiance")
Luminous creamy-yellow, delicate, silky flowers in bunches. Rare and hardy. Ginger family. 6 to 10 inches tall. Shade to partial Sun. Zone 7

Rosmarinus officinalis 'Blue Spires'

(Blue Spires Rosemary)         
Upright reaching evergreen plant with brilliant blue flowers. Sun. Zone 7   

Rosmarinus officinalis 'Lockwood De forest' (Rosemary)    
Evergreen shrub with bright blue flowers during the year. Use in cooking or cut flower. Zone 7. Sun.

Rubus calycinoides 'Emerald Carpet'

(Ground Cover Bramble)
Evergreen, drought tolerant, use on slopes. Edible fruit. Fall color! Best foliage colors if grown in Sun. Zone 7

Rubus tricolor (Chinese Creeping Bramble)
Evergreen shrub or ground cover with edible fruit. Grows 1 ft x 6 ft. Fall Color. Zone 7. Shade or Sun 

Rudbeckia fulgida speciosa (Black-eyed Susan)
Showy, long-lasting yellow-orange edible  flowers in late-summer to mid-fall. 3ft. x 3ft. Zone 4-9. Sun to partial shade.