The lightweight and flexible nature of root control bags makes them ideal for space applications where every ounce of weight matters. Their compact design allows for efficient use of limited space on board spacecraft. Astronauts can easily stack and arrange different – sized root control bags, such as small 5 – gallon bags for growing microgreens or larger ones for staple crops like lettuce and radishes, in vertical or horizontal configurations.​

The root – pruning feature of these bags is particularly beneficial in space. In the microgravity environment, roots tend to grow in disorganized ways. The air – pruning effect of root control bags helps maintain a healthy and compact root system, ensuring that plants receive the necessary nutrients and water. Additionally, the breathable fabric of the bags promotes good air circulation, which is essential for plant respiration in the closed – loop environment of a spacecraft.​

Moreover, root control bags can be part of a closed – loop life support system. The organic matter from harvested plants grown in these bags can be recycled into compost, which can then be used as a natural fertilizer for new plantings. This reduces the need for resupplying fertilizers from Earth and contributes to the long – term sustainability of space agriculture. While there are still challenges to overcome, such as adapting to the extreme conditions of space, root control bags hold great potential for feeding astronauts during long – term space missions and future space colonies.