| Scientific Name: | Houstonia serpyllifolia |
| Common Name: | thyme-leaved bluets |
| Family Name: | Rubiaceae |
| Origin: | U.S. - northeast, U.S. - southeast |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Ground cover |
| Mature Size: | < 0.1m x 0.1 - 0.3m (height x width) |
| Habit: | Spreading |
| Form: | Creeping / Mat-like |
| Texture: | Fine |
| Landscape Uses: | Ground cover |
| Exposure: | Full sun |
| Soil or Media: | |
| Leaves: | Simple, Opposite, Soft flexible, Ovate |
| Flowers: | Blue, Violet, May |
| Fruit: | Capsule, Brown |
| Key ID Features: | |
| Creeping; flowers relatively large with four violet petals and yellow center. | |