| Rating | Plant Name | Thumbnail |
| 601 | Clematis 'Sealand Gem'
Clematis | No Images Yet |
602  | Clematis 'Serenata'
Clematis | No Images Yet |
| 603 | Clematis 'Serious Black'
Clematis recta | No Images Yet |
| 604 | Clematis 'Shirayukihime'
Clematis | No Images Yet |
| 605 | Clematis 'Sho-un'
Clematis | No Images Yet |
606  | Clematis 'Silmakivi'
Clematis |  |
| 607 | Clematis 'Silver Moon'
Clematis |  |
| 608 | Clematis 'Sir Garnet Wolseley'
Clematis |  |
| 609 | Texas Clematis, Leatherflower, Texas Leatherflower, Pipe-vine 'Sir Trevor Lawrence'
Clematis |  |
| 610 | Solitary Clematis 'Sizaia Ptitsa'
Clematis | No Images Yet |
| 611 | Clematis 'Snow Queen'
Clematis |  |
| 612 | Armand's Clematis, Armand Clematis 'Snowdrift'
Clematis armandii | No Images Yet |
| 613 | Clematis 'Sodertalje'
Clematis | No Images Yet |
| 614 | Clematis 'Solina'
Clematis |  |
| 615 | Mountain Clematis, Goat's-Beard 'Southern Cross'
Clematis |  |
| 616 | Early, Large-flowered Clematis 'Souvenir de Capitaine Thuilleaux'
Clematis |  |
| 617 | Early, Large-flowered Clematis 'Special Occasion'
Clematis | No Images Yet |
| 618 | Large-petalled Clematis 'Sprinkles'
Clematis |  |
| 619 | Clematis 'Sputnik'
Clematis | No Images Yet |
| 620 | Clematis 'Standishii'
Clematis | No Images Yet |
| 621 | Clematis 'Star Burst'
Clematis | No Images Yet |
| 622 | Clematis 'Star of India'
Clematis |  |
| 623 | Large-flowered Clematis 'Stasik'
Clematis |  |
| 624 | Clematis 'Still Waters'
Clematis | No Images Yet |
| 625 | Addison's Clematis 'Stolwijk Gold'
Clematis alpina | No Images Yet |
| 626 | Clematis 'Sugar Candy'
Clematis |  |
| 627 | Clematis 'Summer Snow'
Clematis |  |
| 628 | Clematis 'Sunset'
Clematis |  |
| 629 | Montana, Clematis 'Superba'
Clematis montana | No Images Yet |
| 630 | Clematis 'Suzanne'
Clematis | No Images Yet |
| 631 | Clematis 'Sylvia Denny'
Clematis | No Images Yet |
| 632 | Late, Large-Flowered Clematis 'Sympatia'
Clematis |  |
| 633 | Late, Large-Flowered Clematis 'Syrena'
Clematis | No Images Yet |
| 634 | Alpine Clematis 'Tage Lundell'
Clematis | No Images Yet |
| 635 | Clematis 'Tango'
Clematis | No Images Yet |
| 636 | Solitary Clematis 'Tapestry'
Clematis integrifolia |  |
| 637 | Clematis 'Tateshina'
Clematis | No Images Yet |
| 638 | Cowslip Scented Clematis 'Temple Bells'
Clematis rehderiana | No Images Yet |
| 639 | Large Flowered Clematis 'Tentel'
Clematis |  |
| 640 | Early, Large-flowered Clematis 'Teshio'
Clematis |  |
