As the growing season ends, giving your urban planter box a proper cleanout is quick and rewarding. First, remove all spent plants and debris. Shake the old soil onto a tarp to separate roots and clumps. Briefly wash the empty box with a dilute vinegar solution (1 part vinegar to 9 parts water) to disinfect without harsh chemicals. Let it dry completely. For the soil, you can refresh it by mixing the sifted old soil with 30-50% fresh compost or potting mix. This adds nutrients back. Finally, lightly loosen the refreshed soil in the box. Your planter is now ready for a winter cover crop or will be perfectly prepped for spring planting. This simple process protects your box and ensures a healthy start for next season's plants.
What's the easiest way to clean out my urban planter box at the end of the season?
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