Plant Growing Guides

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 Purple Splendor

Rhododendron simsii 'Purple Splendor'

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]

Rhône Syrah

Vitis vinifera

Rhubarb

Rheum rhabarbarum

Rhubarb Chard

Beta vulgaris subsp. vulgaris

Rhubarb Crimson Red

Rheum rhabarbarum 'Crimson Red'

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'

Starrush Whitetop

Rhynchospora colorata

Rialto Tomato

Solanum lycopersicum 'Rialto'

Ribbonwood

Plagianthus regius

Currant and Gooseberry

Ribes species

Riccardia grossetana

Riccardia grossetana

Riccardia Moss

Riccardia chamedryfolia

Riccardia (Liverwort)

Riccardia species

Riccia

Riccia fluitans

Rice Cutgrass

Leersia oryzoides

Rice, Short-grain

Oryza sativa subsp. japonica

Richardii

Zantedeschia aethiopica 'Richardii'

Riesentraube Tomato

Solanum lycopersicum 'Riesentraube'

Riesling

Vitis vinifera subsp. vinifera

Ring of Fire Pepper

Capsicum annuum 'Ring of Fire'

Ring of Fire Pepper

Capsicum annuum 'Ring of Fire'

Ring of Fire Sunflower

Helianthus annuus 'Ring of Fire'

Rio Grande Bean

Phaseolus vulgaris

Rio Red Grapefruit

Citrus × paradisi 'Rio Red'