The following names have already been used within the genus and therefore cannot be re-used. This list is not in strict alphabetical order but is sorted including spaces, full stops etc. in row order. To look at other names click on the appropriate first letter.
| Sabrina | Sachi | Sachsen | Saint Andrews |
| Saint Keverne | Saint Keverne White | Saint Nicholas | Saint Patrick |
| Salmon Seedling | Salmon Supreme | Salmonea | Samtpfötchen |
| Sandpit Hill | Sanguinea | Sankt Martin | Sark Snowfall |
| Sarolyn | Scarlet Santa | Scarlet Santa Cruz | Scatterley |
| Scented Spire | Schatzalp | Schizopetala | Schmittbauer |
| Schmittbauer Dunkel | Schneekuppe | Schneekuppel | Schneeschmelze |
| Schneesturm | Schneewittchen | Screel | Sea Foam |
| Serieri | Serleii | Serleii Rubra | Shatzalp |
| Sheffield Park | Shepherd's Warning | Sherry | Sherry Turpin |
| Sherwood | Sherwood Creeping | Sherwood Early | Sherwood Early Red |
| Sherwood White | Sherwoodii | Shetland Island | Shining Light |
| Shining White | Showtime | Shurwoodii | Silber Schmelze |
| Silberlachs | Silberlicht | Silbermelch | Silbermilch |
| Silberschmelze | Silver Beads | Silver Bells | Silver Charm |
| Silver Flower | Silver Glow | Silver Mist | Silver Queen |
| Silver Pink | Silver Star | Silverschmelze | Silvia |
| Sinensis | Sirikitt | Sissi | Sjors Rendall |
| Smart's Heath | Smith's Lawn | Smith's Variety | Smokey Mauve |
| Sneeuwprinses | Sneznik | Snow Cream | Snow Flakes |
| Snow Prince | Snow Princess | Snow Queen | Snow Star |
| Snow Storm | Snow White | Snowball | Snowcap |
| Snowdrift | Snowfall | Snowflake | Sofie |
| Sommer Gold | Son of Cevennes | Sonja | Sordida |
| Spanish Lime | Späte rote | Spätlese | Special |
| Speciosa | Spica Brevi | Spica Longa | Spicata |
| Spicata Alba | Spictata | spiculifolia | Splendens |
| Splendens Purple | Splendens Red | spoliata | Spotlight |
| Spring Charm | Spring Cottage Crimson | Spring Day | Spring Smile |
| Spring Surprise | Springboard White | Springflood | Springford |
| Springwood | Springwood Cream | Springwood Pink | Springwood Pink: dark form |
| Springwood Rose | Springwood White | Springwood Yellow | Spurea |
| St Andrews | St Kelvin | St Keverne | St Keverne Alba |
| St Keverne White | St Nicholas | St Patrick | St Pit |
| Stapehill | Stardome | Startler | Startler Gold |
| Stella Felicity | Stephen Davis | Stephen Leitch | Steve Davies |
| Steven Leitch | Stewartii | Stieneke | Stikker |
| Stoborough | Storbaye | Storborough | Strawberry |
| Strawberry Bells | Stricta Pink | Stuartii | Studland |
| Stumpy | Suarcolens | Sue Lloyd | Summer Gold |
| Summer White | Summer Wonder | Summertime | Sun Cushion |
| Sunburst | Sunrise | Sunset | Sunshine Rambler |
| Superba | Superba Alba | Superba Rosea | Surprise |
| Swedish Yellow | Swiss Beauty | Sylvia |
© The Heather Society, 4 January 2007