Succulent plants can serve as an excellent choice for groundcover. It is drought-tolerant and will thrive in a variety of conditions. If you are patient and have the time, you'll be rewarded with new plants. Most indoor Elephant Bushes will get by being watered every few weeks. Australia has its fair share of pest issues, despite being an isolated country. Some Australian states also have biodiversity laws that prohibit the posting of plant matter from other parts. Mix two parts perlite, one part potting soil and one part sand to make your medium. You should mix the mixture at a ratio of 2:1.