How Deep Do Cactus Roots Grow? Depth, Spread and Pot Size
Most cactus roots grow only 4 to 10 inches deep, even on large plants, but they spread sideways a long way, often as far out as the plant is tall or farther. A few kinds grow a thick taproot that goes deeper, and the biggest desert cacti rarely root much past 2 to 3 feet … Read more >>