Plant Growing Guides

Rose of Sharon Purple Double

Hibiscus syriacus 'Purple Double'

Rose of Sharon White Double

Hibiscus syriacus 'White Double'

Rose Pogonia

Pogonia ophioglossoides

Roseshell Azalea

Rhododendron roseum

Rosette White

Lactuca sativa var. crispa 'Rosette White'

Roseum

Lychnis coronaria (commonly called Roseum)

Roseum Compact Viburnum

Viburnum opulus 'Roseum Compact'

Roseum Elegans

Rhododendron catawbiense 'Roseum Elegans'

Roseum Elegans Rhododendron

Rhododendron 'Roseum Elegans'

Roseum Sedum

Sedum roseum

Rosso di Treviso

Cichorium intybus var. foliosum

Rosy Lights

Rhododendron 'Rosy Lights'

Rosy Sedge

Carex rosea

Rosy Shell Azalea

Rhododendron roseum

Roter Favorit Beet

Beta vulgaris subsp. vulgaris

Rotunda Boxwood

Buxus microphylla var. japonica 'Rotundifolia'

Rotundifolia

Viola rotundifolia

Rough bluegrass

Poa trivialis

Rough Edged Goldenrod

Solidago rugosa

Roughleaf Dogwood

Cornus drummondii

Round-leafed Sundew

Drosera rotundifolia

Round-leaved Sundew

Drosera rotundifolia

Round-leaved Yellow Violet

Viola rotundifolia

Rowan

Sorbus aucuparia

Columnar Rowan

Sorbus aucuparia 'Fastigiata'

Rowan or Mountain Ash (Dirkenii)

Sorbus aucuparia 'Dirkenii'

Rowan Mountain Ash Sheerwater Seedless

Sorbus aucuparia 'Sheerwater Seedless'

Weeping Rowan

Sorbus aucuparia 'Pendula'

Rowan Rossica Major

Sorbus aucuparia 'Rossica Major'

Rowan Understorey Shrub

Sorbus aucuparia subsp. and related species

Royal Azalea

Rhododendron schlippenbachii

Royal Carpet

Ajuga reptans 'Royal Carpet'

Royal Fern

Osmunda regalis

Royal Picotee

Dianthus caryophyllus 'Royal Picotee'

Royal Quinoa

Chenopodium quinoa

Royal Standard Hosta

Hosta 'Royal Standard'

Royal Violet

Viola odorata 'Royal Violet'

Royal White Redbud

Cercis canadensis 'Royal White'

Rozanne

Geranium 'Rozanne'

Rozanne Geranium

Geranium 'Rozanne'

Rubens Kale

Brassica oleracea var. acephala

Rubinata Beet

Beta vulgaris subsp. vulgaris var. conditiva 'Rubinata'

Rubinstern

Geum 'Rubinstern'

Ruby Falls Weigela

Weigela florida 'Ruby Falls'

Ruby Giant Crocus

Crocus sativus 'Ruby Giant'

Ruby Glow Heather

Calluna vulgaris 'Ruby Glow'

Ruby Mound

Atriplex hortensis var. rubra

Ruby Queen Beet

Beta vulgaris subsp. vulgaris