A cactus can grow where there is what?

Answer 1

A desert cactus can grow where the soil is free drainingbut holds enough moisture to meet cactus needs. It can grow where heat and light levels are high and moisture levelslow. A jungle cactus can grow where there are tall tree trunks or branches on which to anchor their airy, exposed roots. It can grow where heat and humidity levels are high and light levels low. But neither desert nor jungle cactus plants can grow in cold, damp climates.