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.
| Sabella | Sabrina | Sachsenzauber | Safari |
| Saima | Saint Kilda | Saint Kilda Collection | Saint Kilda Floriferous |
| Saint Kilda Purple | Saint Kilda Strain | Saint Kilda White | Saint Nick |
| Saint Non | Saint Patrick | Salamonoides | Salena |
| Salland | Salley-Anne Proudley | Sally Anne Proudley | Salmon Leap |
| Salmonoides | Sam Hewitt | Samantha | Sampford Sunset |
| Sandhammaren | Sandra | Sandwood Bay | Sandy |
| Sarah Jane | Sarah Platt | Saskia | Scarlet |
| Scarlet Alba | Scarli | Scaynes Hill | Schnee |
| Schneeflocke | Schneeglöckchen | Schneewittchen | Schneewolke |
| Scholje's Giant | Scholje's Gigant | Scholje's Heidebrand | Scholje's Jimmy |
| Scholje's Rubin | Scholje's Super Star | Scholljes Gigant | Schollje's Red |
| Schurig's Goldstern | Schurig's Sensation | Schurig's Sensation Wonder | Schurig's Silver Sensation |
| Schurig's Wonder | Scolmov | Scotch Mist | Scotch Pink |
| Scotch White | Searlei | Searlei Alba | Searlei Aurea |
| Searlei Rubra | Searly | Sedlanov | Sedloñov |
| Seestern | Sellingsloe | Sellingsloh | Selly |
| Senta | Seolmov | September Pink | Sericea |
| Serlei | Serlei Alba | Serlei Alba Aurea | Serlei Argentea |
| Serlei Aurea | Serlei Aurea Rosalind | Serlei Elatior | Serlei Grandiflora |
| Serlei Grandiflora Alba | Serlei Lavender | Serlei Purpurea | Serlei Rubra |
| Serlei White Gown | Serley | Serotina | Sesam |
| Sesse | Sharon | Sherry | Shirley |
| Shirlita | Shivig's Sensation | Shurig's Sensation | Side Branching |
| Sidney Spicer | Sietske | Silberfarbige Melanie | Silberglanz |
| Silberspargel | Silver Beads | Silver Cloud | Silver Fox |
| Silver Gem | Silver King | Silver Knight | Silver Mist |
| Silver Night | Silver Pearl | Silver Pink | Silver Queen |
| Silver Rocket | Silver Rose | Silver Sandra | Silver Spear |
| Silver Spire | Silver Star | Silver Stream | Silver White |
| Silvester | Silvie | Simone | Sir Anthony Hopkins |
| Sir George Barrington | Sir Istiana | Sir John Carrington | Sir John Champion |
| Sir John Charrington | Sir John H. Charring | Sirsson | Siska |
| Siskiyou | Sister Anne | Sister Anne Pink | Skipper |
| Skone | Small One | Smith's Variety | Smokey |
| Smokey Mountaineer | Snipe | Snow Queen | Snow White |
| Snowball | Snowdon | Snowflake | Soay |
| Son of Kuphaldtii | Sonja | Sonning | Sonny Boy |
| Sophia | Soraja | Sordida | Southcote |
| Spacken | Sparkes Improved | Sparkes' Silver | Sparkes' Variety |
| Sparkling Stars | Specata Robusta | Speciosa | Spectrum |
| Sphinx | Spicata | Spicata Aurea | Spicata Brevis |
| Spicata Nana | Spicata Robusta | Spider | Spike |
| Spitfire | Spitfire Flame | Splendid Red | Spook |
| Spring Charm | Spring Cream | Spring Fantasy | Spring Festival |
| Spring Glow | Spring Gold | Spring Torch | Springbank |
| Springbrook | Springfield | St Kilda | St Kilda Collection |
| St Kilda Floriferous | St Kilda Group | St Kilda Heathers | St Kilda Purple |
| St Kilda Strain | St Kilda White | St Milda White | St Nick |
| St Non | St Patrick | Stag's Horn | Stan's Choice |
| Stardom | Starlet | Startler | Ste Kilda |
| Steele | Steeli | Stefanie | Stonehurst Alba |
| Stoneyhurst Alba | Stranger | Strathmore | Strathspey |
| Strawberry Delight | Stricta Alba | Stricta Nana | Summer Elegance |
| Summer Orange | Summer Snow | Summer White | Sunningdale |
| Sunningdale Bright Tips | Sunny | Sunny Boy | Sunny Bray |
| Sunnybrae | Sunrise | Sunset | Sunset Glow |
| Sunset Special | Surrey's Wonder | Susan | Susan Claire |
| Susanne | Sutherland Late | Svenja | Swabia |
| Sweet Lady | Sylke | Sylvester | Sylvia |
| Sylvic | Sylvie |
© The Heather Society, 24 December 2007