How does prolonged sun exposure affect the color stability of PVC outdoor flower pots?

Prolonged sun exposure can significantly impact the color stability of PVC outdoor flower pots. Over time, UV radiation from sunlight causes the pigments in PVC to break down, leading to fading or discoloration. While PVC is inherently more resistant to weathering than some materials, constant exposure to intense sunlight accelerates this process. The degree of color change depends on factors like the quality of the PVC, the intensity of UV exposure, and whether UV stabilizers were added during manufacturing. To prolong the vibrancy of PVC pots, consider placing them in partially shaded areas or using UV-protective sprays. Regular cleaning and occasional rotation can also help maintain a more uniform appearance. For long-term use in sunny locations, look for PVC pots specifically labeled as UV-resistant.