As winter approaches, urban gardeners need to prepare their planter boxes for the cold months ahead. Proper winterization prevents cracking and extends the life of your containers. Begin by thoroughly cleaning your planter boxes, removing all soil and plant debris that can retain moisture and cause damage when frozen. For wooden planters, apply a fresh coat of sealant or wood preservative to protect against moisture penetration. Consider adding an extra layer of insulation by lining the interior with bubble wrap or burlap. Elevate your planters slightly using pot feet or bricks to ensure proper drainage and prevent water from pooling and freezing at the bottom. If possible, move smaller containers to a sheltered location like a garage or shed during extreme cold spells. For permanent installations, apply a waterproof cover during heavy snow or rain periods. These simple steps will help your urban planters survive winter undamaged and ready for spring planting.
How do I prepare my urban planter boxes for the winter to prevent cracking?
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