How does cedar outdoor flower box porosity affect water retention?
Cedar outdoor flower boxes are popular for their durability and natural resistance to decay, but their porosity plays a crucial role in water retention. The porous nature of cedar wood allows excess water to drain, preventing root rot and overwatering. However, higher porosity can also lead to faster drying, requiring more frequent watering in hot climates.
To balance water retention and drainage, consider lining the cedar box with a plastic liner or using a moisture-retentive soil mix. Properly sealed cedar can reduce porosity slightly, improving water retention while still allowing adequate airflow for plant roots.
Understanding how cedar's porosity interacts with your local climate and plant needs ensures healthier, thriving outdoor plants in your flower boxes.