Red-barked Dogwood 'Argenteo-Marginata' Red-barked Dogwood 'Bud's Yellow'
Red-barked Dogwood 'Kesselringii' Red-barked Dogwood 'Spaethii'
Redbud, Afgan Redbud, California
Redbud, Chinese (spp.) Redbud, Chinese White
Redbud, Griffith's Redbud, Western
Redbud: siliquastrum 'Redell( Red Balloon™)' Viburnum
Redleaf Rose Redroot 'Rodeo Lagoon'
Redroot (spp.) Redroot 'Carmel Creeper'
Redroot 'Hurricane Point' Redroot 'Louis Edmunds'
Redroot: cuneatus rigidus Redroot: oliganthus
Redroot: oliganthus sorediathus Redshanks
Redwing 'Redwings' Scotch Heather
Reeve's Spirea 'Reevesii' Australian Tea Tree
Reflexed Dracaena (spp.) Reflexed Dracaena 'Song of India'
Reflexed Dracaena 'Song of Jamaica' Refugio Manzanita
'Regent' Saskatoon Serviceberry 'Regulus' Bigleaf Hydrangea
'Reis Dwarf' Hinoki False Cypress 'Remontii' Norway Spruce
'Renaissance' Vanhoutte Spirea 'Repandens' English Yew
'Repandens' Japanese Holly 'Repens' Willowleaf Cotoneaster
'Rev. John G. Drayton' Japanese Camellia 'Rheingold' American Arborvitae
Rhodendron, Pacific Rhododendron 'King George'
Rhododendron, Carolina Rhododendron, Catawba (spp.)
Rhododendron, Catawba 'Boursault' Rhododendron, Catawba White
Rhododendron, Cloudland Rhododendron, Dahurian
Rhododendron, Daurian Rhododendron, Great (spp.)
Rhododendron, Great White Rhododendron, Great 'Golden Lights'
Rhododendron, Great 'Great Laurel' Rhododendron, Great 'Mandrin Lights'
Rhododendron, Piedmont Rhododendron, Rosebay (spp.)
Rhododendron, Rosebay 'Golden Lights' Rhododendron, Rosebay 'Great Laurel'
Rhododendron, Rosebay 'Mandrin Lights' Rhododendron: (n) 'Amy Cotta'
Rhododendron: (n) 'PJM Elite' Rhododendron: aberconwayi
Rhododendron: aureum Rhododendron: auriculatum
Rhododendron: bureavii Rhododendron: bureavii taliensia
Rhododendron: carneum Rhododendron: cinnabarinum
Rhododendron: dendricola Rhododendron: fulvum
Rhododendron: grande grandia Rhododendron: horlickianum
Rhododendron: hybrid 'Else Frye' Rhododendron: hybrid 'Genevieve Schmidt'
Rhododendron: hybrid 'Gills Triumph' Rhododendron: hybrid 'Lemon Mist'
Rhododendron: hybrid 'Looderi King George' Rhododendron: hybrid 'Mrs. G.W. Leak'
Rhododendron: hybrid 'NE Plus Ultra' Rhododendron: hybrid 'Northern Starburst'
Rhododendron: hybrid 'Noyo Chief' Rhododendron: hybrid 'Painted Lady'
Rhododendron: hybrid 'Peach Blow' Rhododendron: hybrid 'Rose Mangles'
Rhododendron: hybrid 'Rubicon' Rhododendron: hybrid 'Sir Charles Lemon'
Rhododendron: hybrid 'Tsuta-momiji' Rhododendron: hybrid 'Wards Beauty'
Rhododendron: hyperythrum Rhododendron: iteophyllum
Rhododendron: macgregoriae Rhododendron: micranthum
Rhododendron: minus Rhododendron: montroseanum
Rhododendron: protistum grandia Rhododendron: roxieanum
Rhododendron: rubiginosum Rhododendron: scabrifolium spiciferum
Rhododendron: strigillosum 'Rhodotera' Milkwort
Rhodotypos (spp.) Rhodotypos 'Black Jet Bead'