Plant Growing Guides

Revolution Gold

Helianthus annuus 'Revolution Gold'

Revolution Red

Capsicum annuum

Reward Tomato

Solanum lycopersicum 'Reward'

Rheingold Arborvitae

Thuja occidentalis 'Rheingold'

Rheinland

Dahlia × hybrida 'Rheinland'

Rhexia

Rhexia virginica

Rhodanthe Carneum

Rhodanthe carneum (formerly Acroclinium roseum)

Rhododendron

Rhododendron spp.

Alabama Rhododendron

Rhododendron alabamense

Azalea Autumn Flame

Rhododendron 'Autumn Flame'

Azalea Chionoides

Rhododendron simsii var. chionoides

Azalea Girard's Rose

Rhododendron spp. (Azalea, Girard's Rose cultivar)

Girard's Rose Azalea

Rhododendron × 'Girard's Rose'

Azalea Nova Zembla

Rhododendron 'Nova Zembla'

Rhododendron and Azalea PJM

Rhododendron 'PJM'

Azalea Ramapo

Rhododendron 'Ramapo'

Azalea 'Roseum Elegans'

Rhododendron 'Roseum Elegans'

Azalea Sapporo

Rhododendron 'Sapporo'

Rhododendron Cunningham's White

Rhododendron × cunninghamii 'Cunningham's White'

Rhododendron Nova Zembla

Rhododendron 'Nova Zembla'

Oblong-leaved Rhododendron

Rhododendron oblongifolium

Rhododendron P.J.M.

Rhododendron catawbiense var. P.J.M.

Rhododendron Purple Gem

Rhododendron catawbiense 'Purple Gem'

Ramapo Rhododendron

Rhododendron catawbiense 'Ramapo'

Rhododendron and Azalea

Rhododendron spp.

Rhododendron yakushimanum hybrid

Rhododendron yakushimanum × [various cultivars]

Rhubarb

Rheum rhabarbarum

Rhubarb 'Canada Red'

Rheum rhabarbarum 'Canada Red'

Rhubarb 'Canada Red' Valentine

Rheum rhabarbarum 'Canada Red' Valentine

Rhubarb Chard

Beta vulgaris subsp. vulgaris

Rhubarb Chipman Red

Rheum rhabarbarum 'Chipman Red'

Rhubarb Crimson Red

Rheum rhabarbarum 'Crimson Red'

Rhubarb 'Crimson Red'

Rheum rhabarbarum 'Crimson Red'

Rhubarb 'Crimson Red' / 'MacDonald'

Rheum rhabarbarum

Rhubarb 'Crimson Red Strawberry Surprise'

Rheum rhabarbarum 'Crimson Red Strawberry Surprise'

Rhubarb Glaskin's Perpetual

Rheum rhabarbarum 'Glaskin's Perpetual'

Rhubarb Timperley Early

Rheum rhabarbarum

Rhubarb 'Timperley Early'

Rheum rhabarbarum 'Timperley Early'

Rhubarb Victoria

Rheum rhabarbarum 'Victoria'

Rialto Tomato

Solanum lycopersicum 'Rialto'

Currant and Gooseberry

Ribes species

Riccardia grossetana

Riccardia grossetana

Riccardia Moss

Riccardia chamedryfolia

Riccardia (Liverwort)

Riccardia species

Riccia

Riccia fluitans

Rice Cutgrass

Leersia oryzoides

Riesentraube Tomato

Solanum lycopersicum 'Riesentraube'

Riesling

Vitis vinifera subsp. vinifera