Echinopsis silvestrii
| Family | 
| Cactaceae | 
| Genus | 
| Echinopsis | 
| Species | 
| silvestrii | 
| Synonyms | 
| Echinopsis tucumanensis | 
| USDA Hardiness Zone | 
| 10a - 11 | 
| Temperature (°C) | 
| -1 - 5 | 
| Temperature (°F) | 
| 30 - 40 | 
| Height | 
| 15 cm | 
| Spread | 
| 15 - 30 cm | 
| Cultivation | 
| Full sun and partial-shade. Moist and well-drained soil with a pH of 6.1 - 7.8 (mildly acidic, neutral and mildly alkaline). Drought tolerant. | 
| Shape | 
| Solitary sometimes branching to form small clumps. | 
| Growth | 
| Fast | 
| Habitat | 
| Thorn forest. | 
| Leaf Description | 
| The stems are globose to short cylindrical, 5 - 10 cm in length and 4 - 8 cm wide. | 
| Flower Description | 
| Flowers appearing at the end of long tubes. | 
| Colour Description | 
| The flowers are white. | 
| Propagation | 
| Woody stem cuttings and seed. |