'Salmon Beauty' Tree Mallow 'Salmon Orange' Azalea
Salt Bush Salt Bush: spinescens deltophylla
Salt Cedar (spp.) Salt Cedar 'Pink Cascade'
Salt Cedar 'Pink Glow' Salt Cedar 'Summer Glow'
Saltbush, Australian Saltbush, Creeping
Saltbush, Spiny Saltspray Rose (spp.)
Saltspray Rose 'Agnes' Saltspray Rose 'Dart's Dash'
Saltspray Rose 'La Marne' Saltspray Rose 'Magnifica'
Saltspray Rose 'Red Dagmar' Saltspray Rose White
Salt-water Paperbark 'Samantha' Lantana
'Samantha' Silver Leaf Hydrangea 'Samba' Old Fashioned Weigela
'Samuel Sommer' Southern Magnolia 'Samurai' China Fir
San Bartolome San Bruno Mountain Manzanita
'San Diego Red' Bougainvillea: Bougainvillea 'San Isidro Moon' Autumn Sage
'San Jose' Holly Sand Cherry, Purple Leaf
Sand Live Oak Sand Pear
Sand Pine Sandankwa Viburnum
Sandberry (spp.) Sandberry 'Massachusetts'
Sandberry 'Microphylla' Sandberry 'Point Reyes'
Sandberry 'Radiant' Sandbox Tree
'Sanderi' Hinoki False Cypress 'Sanderiana Variegata' Bougainvillea
'Sanderiana Variegata' Paper Flower 'Sanders Blue' White Spruce
Sandmat Manzanita 'Sandra' Hybrid Hydrangea: hybrid
'Sandra' Vernal Witchhazel 'Sangerhausen' Rose
'Sango kaku' Japanese Maple Sanguinaria
'Sanguineum' Japanese Maple 'Santa Ana' Ceanothus: hybrid
Santa Barbara Ceanothus (spp.) Santa Barbara Ceanothus 'Jondenberg'
Santa Barbara Ceanothus 'Vandenberg' 'Santa Cruz' Blue Hibiscus
'Santa Cruz' Firethorn Santa Cruz Kauri
'Santa Cruz' Pyracantha Santa Lucia Fir
Santa Maria Santa Maria: calaba
'Santa Rosa' Laurel Magnolia Sapodilla
'Sapphire Showers' Golden Dewdrop 'Sapporo Autumn Gold' Hybrid Elm
'Sarah Eve' Virginia Sweetspire 'Sara-Sa' Japanese Camellia
'Saratoga' Ginkgo Sargent Cherry (spp.)
Sargent Cherry 'Columnaris' Sargent Crabapple (spp.)
Sargent Crabapple 'Tina' Sargent Juniper
Sargent Viburnum (spp.) Sargent Viburnum 'Flavum'
Sargent Viburnum 'Onondaga' Sargent Viburnum 'Susquehanna'
'Sargentii' Canadian Hemlock 'Sargentii' Flowering Quince
'Sargentii' Ohio Buckeye Sargent's Juniper 'Viridis'
Sasanqua Camellia Saskatoon Serviceberry (spp.)
Saskatoon Serviceberry 'Regent' Sassafras
Sassafras, Chinese Sassafras, Common
Satin Leaf Satin Wood
Satinash, Cherry Satinash, Rose
'Satinleaf' Southern Magnolia Satinwood
'Satonella' Japanese Camellia Satsuma Orange
'Saturnalia' Virginia Sweetspire 'Satyr Hill' American Holly