How do wrought iron outdoor flower boxes handle exposure to diatomaceous earth pest control?

Wrought iron outdoor flower boxes are known for their durability and resistance to harsh conditions, but how do they handle exposure to diatomaceous earth (DE) for pest control? DE is a natural, abrasive powder used to deter pests like slugs and insects. Fortunately, wrought iron’s sturdy, rust-resistant coating typically withstands DE without significant damage. However, prolonged exposure or moisture buildup may accelerate rust if the protective layer is compromised. To minimize risks, apply DE sparingly and ensure proper drainage in the flower box. Regular cleaning and reapplication of protective sealants can further extend the lifespan of wrought iron planters while maintaining effective pest control. For optimal results, combine DE with other garden-friendly pest management strategies.