| Salix elaeagnos (AGM) |
| Salix 'Erythroflexuosa' |
| Salix exigua |
| Salix fargesii (AGM) |
| Salix glaucosericea |
| Salix gracilistyla 'Melanostachys' (AGM) |
| Salix hastata 'Wehrhahnii' (AGM) |
| Salix helvetica (AGM) |
| Salix integra 'Hakuro Nishiki' |
| Salix lanata (AGM) |
| Salix repens argentea (AGM) |
| Salix subopposita |
| Salvia officinalis |
| Salvia officinalis 'Icterina' (AGM) |
| Salvia officinalis 'Purpurascens' (AGM) |
| Salvia officinalis 'Tricolor' |
| Sambucus nigra 'Aurea' (AGM) |
| Sambucus nigra 'Black Beauty' |
| Sambucus nigra 'Guincho Purple' |
| Sambucus nigra 'Madonna' |
| Sambucus racemosa 'Plumosa Aurea' |
| Sambucus racemosa 'Sutherland Gold' (AGM) |
| Santolina chamaecyparissus (AGM) |
| Santolina chamaecyparissus 'Lambrook Silver' |
| Santolina chamaecyparissus nana (AGM) |
| Santolina chamaecyparissus 'Pretty Carol' |
| Santolina chamaecyparissus 'Small-Ness' |
| Santolina pinnata neapolitana |
| Santolina pinnata neapolitanum 'Edward Bowles' |
| Santolina rosmarinifolia rosmarinifolia |
| Santolina rosmarinifolia rosmarinifolia 'Primrose Gem' (AGM) |
| Santolina serratifolia (?) |
| Sarcococca confusa (AGM) |
| Sarcococca hookeriana digyna (AGM) |
| Sarcococca hookeriana humilis |
| Sarcococca ruscifolia |
| Skimmia x confusa 'Kew Green' (AGM) |
| Skimmia japonica 'Bronze Knight' |
| Skimmia japonica 'Bowles' Dwarf Female' |
| Skimmia japonica 'Bowles' Dwarf Male' |
| Skimmia japonica 'Fragrans' (AGM) |
| Skimmia japonica 'Highgrove Redbud' |
| Skimmia japonica 'Kew White' |
| Skimmia japonica 'Nymans' (AGM) |
| Skimmia japonica 'Redruth' |
| Skimmia jap. reevesiana 'Chilan Choice' |
| Skimmia japonica 'Rubella' (AGM) |
| Skimmia japonica 'Rubinetta' |
| Skimmia japonica 'Veitchii' ('Foremanii') |
| Skimmia laureola |
| Sorbaria sorbifolia |
| Sorbaria tomentosa angustifolia (AGM) |
| Spartium junceum (AGM) |
| Spiraea 'Arguta' |
| Spiraea betulifolia |
| Spiraea x cinerea 'Grefsheim' (AGM) |
| Spiraea japonica 'Anthony Waterer' (AGM) |
| Spiraea japonica 'Candlelight' |
| Spiraea japonica 'Fire Light' |
| Spiraea japonica 'Goldflame' (AGM) |
| Spiraea japonica 'Gold Mound' (AGM) |
| Spiraea japonica 'Little Princess' |
| Spiraea japonica 'Manon Red Princess' |
| Spiraea japonica 'Nana' (AGM) |
| Spiraea japonica 'Shirobana' (AGM) |
| Spiraea nipponica 'Snowmound' (AGM) |
| Spiraea prunifolia |
| Spiraea x vanhouttei (AGM) |
| Spiraea x vanhouttei 'Pink Ice' |
| Stachyurus praecox (AGM) |
| Stephanandra incisa 'Crispa' |
| Styrax japonicus (AGM) |
| Symphoricarpus x chenaultii 'Hancock' (AGM) |
| Symphoricarpus x dooren. 'Magic Berry' |
| Symphoricarpus x dooren. 'Mother of Pearl' |
| Symphoricarpus x dooren. 'White Hedge' |
| Symphoricarpus orbic. 'Taffs Silver Edge' |
| Syringa 'Jossee' |
| Syringa x josiflexa 'Bellicent' (AGM) |
| Syringa x laciniata |
| Syringa meyeri spontanea'Palibin' (AGM) |
| Syringa x prestoniae 'Elinor' (AGM) |
| Syringa pubescens microphylla 'Superba' (AGM) |
| Syringa pubescens patula 'Miss Kim' (AGM) |
| Syringa vulgaris 'Belle de Nancy' |
| Syringa vulgaris 'Charles Joly' (AGM) |
| Syringa vulgaris 'Katherine Havemeyer' (AGM) |
| Syringa vulgaris 'Michel Buchner' |
| Syringa vulgaris 'Madame Lemoine' (AGM) |
| Syringa vulgaris 'Mrs Edward Harding' (AGM) |
| Syringa vulgaris 'Primrose' |
| Syringa vulgaris 'Sensation' |
| Syringa vulgaris 'Vestale' (AGM) |