Keep your plants snug in their (or your) favourite pots, ensure you can repot them happily and healthily by mastering the art of root pruning. Most plants can become root bound within a few years and it’s important that you know how to prune back their root system so you can maintain each plants health and longevity within a smaller space. Even large trees eventually need to be root pruned as their thick roots can curl around cylindrical pots causing strangulation. It’s an important skill to understand for your house plants.