Origin
The Myrtillocactus geometrizans cristata, also known as the Cristate Blue Myrtle, originates from Mexico. This exotic cactus is commonly found in the semi-arid areas of the country. In particular, this species thrives in areas such as Puebla and Oaxaca. The Myrtillocactus geometrizans cristata naturally grows on rocky soils.

Characteristics
The Myrtillocactus geometrizans cristata is distinctive for its unique, undulating growth habit. The cactus has a blue-green colour, grows in a columnar shape, and can reach up to 4 metres in height. It produces small, white flowers that develop into dark purple fruits. This cactus is a fast grower and has deep ribs, covered with long, black spines.

Care
When caring for the Myrtillocactus geometrizans cristata, it's important to ensure adequate sunlight. This cactus benefits from well-draining soil and regular but moderate watering. Overwatering should be avoided as it can cause root rot. During the cooler winter months, this cactus is best kept indoors to prevent frost damage.