Do PVC outdoor flower pots release harmful chemicals into the soil over time?

PVC (polyvinyl chloride) outdoor flower pots are popular due to their durability and affordability. However, concerns have been raised about whether they release harmful chemicals into the soil over time. Studies suggest that PVC can leach additives like phthalates and heavy metals, especially when exposed to sunlight and heat. These chemicals may affect plant health and soil quality. To minimize risks, consider using UV-stabilized PVC pots or alternatives like ceramic, terracotta, or HDPE planters. Regular soil testing and proper drainage can also help reduce potential contamination. For eco-conscious gardeners, biodegradable or recycled materials are safer long-term options.