The idea of using plants for neutron shielding might sound unconventional, but certain plants can indeed help mitigate radiation exposure. An outdoor plant box can be a practical way to cultivate these plants, provided you select the right species and understand their limitations.

Neutron radiation requires dense, hydrogen-rich materials for effective shielding. Plants like water-rich succulents, bamboo, or even certain types of shrubs can contribute to neutron moderation due to their high water content. However, relying solely on an outdoor plant box for shielding is not sufficient for high-radiation environments—it’s more suitable for supplemental protection in low-exposure scenarios.

To maximize effectiveness, choose deep plant boxes with moisture-retaining soil and fast-growing species. Pairing this with other shielding methods, such as concrete or polyethylene barriers, can enhance safety. While an outdoor plant box won’t replace professional shielding, it’s an eco-friendly addition to radiation-conscious gardening.

Always consult radiation safety experts before relying on natural solutions for shielding purposes.