![](https://nakhyl.com/wp-content/uploads/2020/03/dwarftree.png)
This plant is a slow grower but once it matures, it lives for decades. The plant grows eight to ten feet tall and has sharp needle like spines. It is known for its ability to filter out xylene. For optimal air filtering, NASA recommends planting one plant per 100 square feet in your home or any other space.