S
| FLOWER | COLOR | MEANING |
| Safflower | – – – | Welcome, Marriage |
| Sage | – – – | Domestic Virtue, Wisdom |
| Shamrock | – – – | Luck |
| Smilax | – – – | Loveliness |
| Snapdragons | – – – | Strength, Presumption, Gracious Lady, Deception |
| Snowdrop | – – – | Hope |
| Solidago | – – – | Success |
| Spearmint | – – – | Warmth of Sentiment |
| Spider Flower | – – – | Elope with Me |
| Spirea | – – – | Victory, Conceit |
| Starflower | – – – | Vigilance, Hope |
| Star of Bethlehem | – – – | Purity |
| Statice | – – – | Remembrance, Sympathy, Gratitude |
| Stephanotis | – – – | Happiness in Marriage, Exotic Travel |
| Stock | – – – | Lasting Beauty, Bonds of Affection, Promptness, You’ll Always Be Beautiful To Me |
| Sunflower | – – – | Pride, Adoration, Devotion, Loyalty, Faithfulness |
| Sweet Basil | – – – | Good wishes |
| Sweet Pea | – – – | Delicate pleasures, Good-bye, Blissful Pleasure |
| Sweet William | – – – | Gallantry |