Herbaceous Plants: Robe - Rosc (98)
'Robella' English Daisy
'Robert Frost' Hosta
'Robert Poore' Summer Phlox
'Robert' Purple Loosestrife
'Robin (Songbird Series)(n)' Columbine
Robin, Ragged
'Robineau' Gladiolus
'Robinson Hybrids' Painted Daisy
'Robinson's Mix' Painted Daisy
'Robinson's Red' Painted Daisy
Robust Marsh Orchid
'Robusta' Hedge Nettle
'Robusta' Hosta: fortunei
'Robusta' Woundwort
'Robustissima' Hardy Grape Leaf Anemone
Rock Anise Hyssop
'Rock' Florist's Chrysanthemum
Rock Garden Pink (spp.)
Rock Garden Pink 'Baby Blanket'
Rock Garden Pink 'Bath's Pink'
Rock Garden Pink 'Dottie'
Rock Garden Pink 'Mountain Mist'
Rock Garden Pink 'Pixie'
Rock Garden Pink 'Spotty'
Rock Garden Pink 'Tiny Rubies'
Rock Geranium (spp.)
Rock Geranium 'Dale's Strain'
Rock Geranium 'Ruby Veil'
Rock Geranium 'Velvet Night'
Rock Isotome
Rock Jasmine
Rock Purslane
Rock Purslane: umbellata
Rock Soapwort
Rock Stonecrop
Rockcress (spp.)
Rockcress 'Skyrocket'
Rockcress, False (spp.)
Rockcress, False 'Snow Cap'
Rockcress, False 'Whitewell Gem'
Rockcress, Fringed 'Spring Charm'
Rockcress, Mountain Rock (spp.)
Rockcress, Mountain Rock 'Compinkie'
Rockcress, Mountain Rock Variegated
Rockcress, Mountain (spp.)
Rockcress, Mountain 'Flore Plena'
Rockcress, Purple (spp.)
Rockcress, Purple 'Snow Cap'
Rockcress, Purple 'Whitewell Gem'
Rockcress, Rainbow (spp.)
Rockcress, Rainbow 'Snow Cap'
Rockcress, Rainbow 'Whitewell Gem'
Rockcress, Wall (spp.)
Rockcress, Wall 'Compinkie'
Rockcress, Wall Variegated
Rockcress: ferdinandi-coburgi 'Old Gold'
Rockcress: libanotica
Rocket Candytuft 'Iceburg Superior'
'Rocket City' Daylily
Rocket Larkspur
Rockfoil
Rockgarden Iris
Rocky Mountain Columbine (spp.)
Rocky Mountain Columbine 'Red Hobbit'
Rocky Mountain Penstemon
Rocky Mountain Sage
Rocky Mountain Zinnia
Rocky Point Ice Plant
Rocky Point Ice Plant: lutea
'Rocky Point' Western Blue-eyed Grass
'Rocky Top Hybrids' Tennessee Coneflower
Rodgersia
'Rolf Fiedler' Spring Starflower
'Rollies Favorite' Catchfly
'Roma' Asiatic Lily
'Roman Candy' Ivy Leaf Morning Glory
Roman Chamomile
'Roman Gold' Japanese Tree Peony
Roman Wormwood
Roman Wormwood: pontica
'Romance Apricot' Bedding Verbena
'Romance' Hybrid Clematis
'Romance Pastel Mix' Bedding Verbena
'Romance Violet with Eye' Bedding Verbena
'Rominette Pink' English Daisy
'Ron McBeath' Cinquefoil: nepalensis
'Rondo' Bearded Tongue
'Rootbeer' Daylily
Rooting Chain Fern
'Rosa deNoche' Waterlily
'Rosa Seiger' New England Aster
'Rosalba' Red Hot Poker: bracteata
'Rosalie' Alumroot: Heuchera
Rosary Plant
Rosary Vine
'Rosata' Alumroot: Heuchera
Roscoea
Roscoea 'Beesiana'