Selecting the appropriate liner for your urban planter boxes is crucial for plant health and container longevity. While not always mandatory, liners help protect wooden planters from rot and metal ones from corrosion, while also aiding moisture retention. The primary options include plastic liners, which are affordable and effective but require drainage holes; landscape fabric, a breathable choice that prevents soil washout; and permanent coatings like rubberized asphalt for wooden boxes. Always prioritize drainage by creating holes in non-porous liners or adding a gravel layer. For most urban gardeners, a perforated plastic liner combined with landscape fabric offers the ideal balance of protection, drainage, and root health. This setup ensures your plants thrive while keeping maintenance low and extending your planter's life in any city environment.
What type of liner, if any, should I use inside my urban planter boxes?
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