How does the rigidity of PVC compare to polyethylene in tall outdoor flower box designs?

When designing tall outdoor flower boxes, the choice between PVC and polyethylene significantly impacts durability and functionality. PVC is known for its rigidity, providing excellent structural support for taller designs, which prevents warping or bending under weight or weather conditions. This makes it ideal for long-term use in harsh climates. On the other hand, polyethylene offers greater flexibility, allowing for slight movement that can resist cracking in freezing temperatures. However, its softer nature may lead to deformation over time, especially in taller structures. Gardeners must weigh rigidity against flexibility based on climate, aesthetic preferences, and maintenance needs. Ultimately, PVC suits those prioritizing stability, while polyethylene appeals to those valuing resilience and lightweight handling.