EVE'S PIN CactuS 3.5" non-toxic 

LIGHT - Thrives in full sun to partial shae. 

WATER - Let is dry out between watering.
It likes dry conditions, and very little watering is required to maintain the plant.
When you do water, make sure to give it a thorough soak, allowing the water to reach the roots. 
Slow Growth
Flowering - Red
MATURE SIZE - 15 ft tall approx.