Euphorbia grandicornis

Euphorbia grandicornis

Commonly called Cow's Horn Cactus due to it's uniquely shaped spines.

Light: The best place for most cactus houseplants is a warm, bright spot. These sun-lovers do best when they get lots of direct light. 

Water: Water every couple of weeks only if it is dry. Reduce watering during the winter months. They cannot tolerate wet soil.