Our Featured Videos Sprout World began as an idea from MIT students on the lookout for a more sustainable pencil and has resulted in over 10 million pencil-to-plant product sales.

Jessica Mercer, senior content marketing coordinator of Plant Addicts, adds that it's a must to wear gloves when cutting a pencil cacti, as it will release sap that can harm your skin.

Sprout is the name of a new brand of pencil which comes with a seed in the end – when the pencil has reached the end of its usefulness, the stub can be planted in soil.