Plant Growing Guides

Repandens

Ilex crenata 'Repandens'

Rescue Grass

Bromus catharticus

Rescuegrass

Bromus catharticus

Restharrow

Ononis repens

Reticulata Iris Harmony

Iris reticulata 'Harmony'

Reticulated Iris

Iris reticulata

Rheingold Arborvitae

Thuja occidentalis 'Rheingold'

Rhexia

Rhexia virginica

Rhododendron

Rhododendron spp.

Azalea Autumn Flame

Rhododendron 'Autumn Flame'

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'

Piedmont Rhododendron

Rhododendron minus

Rhododendron Nova Zembla

Rhododendron 'Nova Zembla'

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 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 Victoria

Rheum rhabarbarum 'Victoria'

Currant and Gooseberry

Ribes species

Riccardia (Liverwort)

Riccardia species

Rice Cutgrass

Leersia oryzoides

Riparian herbaceous plants

Various species in riparian zones

Rip Van Winkle Daffodil

Narcissus pseudonarcissus 'Rip van Winkle'

Riverbank Privet

Ligustrum rivulare

River Birch

Betula nigra

Willows and Poplars

Salix spp. and Populus spp.

River Oats

Chasmanthium latifolium

Riviera Lilac Splash

Calibrachoa × hybrida 'Riviera Lilac Splash'

Robert (Herb Robert)

Geranium robertianum

Robert Chapman Heather

Calluna vulgaris 'Robert Chapman'

Robin Hill Azalea

Rhododendron 'Robin Hill'