Roots of cacti are relatively shallow, with mean depths of 7 to 11 cm for various species native to the Sonoran Desert and 15 cm for cultivated opuntioids; the cultivated vine cactus Hylocereus undatus has even shallower roots.

Does cactus have a roots?

All cacti have roots, and they perform a number of essential functions for the plants. Roots anchor cacti in soil, take up water and nutrients, and often store food and water in addition to the water stored in the plants' succulent stem tissues.

Do cacti have deep roots?

The root system of a cactus is very unique. It is necessary for the plant to get water deep into the ground and disperse it as widely as possible, so that the cactus can take in as much water as possible. Cactus roots will grow as deep as three feet into the ground and up to three feet wide as well as horizontally.