Click on a genus name to see a list of species. Select a letter on the left to see more genus entries.

Salix (Willow)

Sambucus (Elderberry)

Santolina

Sapindus (Soapberry)

Sarcococca (Sweet Box )

Sassafras

Sciadopitys (Japanese Umbrella Pine)

Searsia

Sequoia (Coastal Redwood)

Sequoiadendron (Sierra Redwood)

Shepherdia (Buffaloberry)

Sideroxylon (Bully Trees)

Simmondsia (Jojoba)

Skimmia

Sophora

Sorbus (Mountain Ash)

Spathodea (African Tulip Tree)

Spiraea (Often spelt Spirea in common names or in some nursery product lines)

Spiraea × arguta (Garland Spirea)
Spiraea betulifolia (Birch-leaf Spirea )
Spiraea betulifolia 'Tor' (Tor Birchleaf Spirea)
Spiraea densiflora (Rose Meadowsweet)
Spiraea douglasii (Douglas Spirea )
Spiraea fritschiana (Korean Spirea)
Spiraea japonica (Japanese Spirea)
Spiraea japonica var. alpina (Daphne Spirea)
Spiraea japonica 'Anthony Waterer' (Anthony Waterer Spirea )
Spiraea japonica 'Bumalda' (Bumald Spirea)
Spiraea japonica Double Play® Painted Lady® (Painted Lady® Spirea)
Spiraea japonica 'Goldflame' (Goldflame Spirea)
Spiraea japonica 'Goldmound' (Goldmound Spirea)
Spiraea japonica 'Lemon Princess' (Lemon Princess Spirea)
Spiraea japonica Limemound® (Limemound Spirea)
Spiraea japonica 'Little Princess' (Little Princess Spirea)
Spiraea japonica Magic Carpet™ (Magic Carpet Spirea)
Spiraea miyabei (Miyabe Spirea)
Spiraea nipponica (Nippon Spirea)
Spiraea nipponica 'Snowmound' (Snowmound Spirea)
Spiraea prunifolia 'Plena' (Bridalwreath Spirea)
Spiraea splendens (Mountain Spirea)
Spiraea thunbergii (Thunberg Spirea)
Spiraea thunbergii 'Fujino Pink' (Fujino Pink Spirea)
Spiraea thunbergii Mellow Yellow™ (Mellow Yellow Spirea, )
Spiraea × vanhouttei (Van Houtte Spirea )
Spiraea × vanhouttei 'Pink Ice' (Pink Ice Spirea)

Stachyurus

Stewartia

Styphnolobium

Styrax (Snowbell)

Symphoricarpos (Snowberry)

Symplocos (Sweetleaf)

Syringa (Lilac)

Syringa × chinensis (Chinese Lilac )
Syringa × chinensis 'Lilac Sunday' (Lilac Sunday Lilac)
Syringa × hyacinthiflora (Early Flowering Lilac )
Syringa × hyacinthiflora 'Maiden's Blush' (Maiden's Blush (Early Flowering) Lilac )
Syringa × hyacinthiflora 'Mount Baker' (Mount Baker (Early Flowering) Lilac)
Syringa josikaea (Hungarian Lilac)
Syringa laciniata (Cutleaf Lilac)
Syringa meyeri 'Palibin' (Palibin Meyer Lilac)
Syringa microphylla 'Superba' (Superba Littleleaf Lilac )
Syringa patula 'Miss Kim' (Miss Kim Lilac )
Syringa pekinensis (Peking Lilac )
Syringa × persica (Persian Lilac)
Syringa × prestoniae (Preston Lilac )
Syringa × prestoniae 'James Macfarlane' (James Macfarlane Lilac)
Syringa reticulata (Japanese Tree Lilac )
Syringa vulgaris (Common Lilac)
Syringa vulgaris '(some selections)' (Common Lilac)
Syringa vulgaris 'Aucubaefolia' (Aucubaefolia Lilac)

Click on a genus name to see a list of species. Select a letter on the left to see more entries.