Xanthos is a dwarf plant reaching just 20 to 25 inches high (in full bloom) and 10 to 12 inches wide. It is quite free-flowering, especially if you pinch the tips of the stems during the growth process, so that it sets more branches.
| Bloom Start to End | Late Spring - Early Fall |
| Habit | Dwarf |
| Seeds Per Pack | 25 |
| Plant Height | 20 in - 2 ft 1 in |
| Plant Width | 10 in - 12 in |
| Bloom Size | 2.5 in |
| Additional Characteristics | Direct Sow, Easy Care Plants, Flower, Butterfly Lovers, Free Bloomer, Long Bloomers, Season Extenders, Award Winner |
| Bloom Color | Yellow |
| Light Requirements | Full Sun |
| Moisture Requirements | Moist, well-drained, Dry |
| Resistance | Drought Tolerant, Heat Tolerant |
| Soil Tolerance | Normal, loamy, Poor |