Whether an urban planter box needs a liner depends primarily on its construction material. For wooden planter boxes, using a liner is highly recommended to protect the wood from constant moisture and soil contact, which significantly slows down rot and extends the box's lifespan. Materials like heavy-duty plastic, pond liner, or landscape fabric are excellent choices. However, proper drainage is crucial; always ensure your liner has holes or is installed to allow excess water to escape, preventing root rot. For metal, plastic, or fiberglass boxes, liners are often unnecessary as these materials are naturally rot-resistant. The key is balancing protection with drainage to create a healthy environment for your plants while ensuring your planter box remains structurally sound for many growing seasons.
Do urban planter boxes need a liner to protect them from rot?
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