Do cast iron outdoor flower pots require regular sealing to prevent rust?
Cast iron outdoor flower pots are durable and stylish, but they are prone to rust when exposed to moisture. To prevent rust and extend their lifespan, regular sealing is recommended. Applying a high-quality sealant or rust-resistant paint every 1-2 years creates a protective barrier against water and oxidation. Additionally, ensuring proper drainage and avoiding standing water can further reduce rust formation. While unsealed cast iron develops a rustic patina over time, sealing helps maintain its original appearance. For gardeners who prefer low-maintenance options, alternative materials like fiberglass or coated metal may be more suitable. Proper care ensures your cast iron planters remain both functional and visually appealing for years.