Why a container dries unevenly
A dry potting-mix surface can sit above damp lower layers. Learn how drainage, roots, container walls and rewetting shape the uneven pattern, and how to check the whole pot before watering again.
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What a potting mix needs from its empty spaces
The pores in a potting mix must store water and leave a connected route for air. Particle size, packing, pot height and watering decide how those spaces serve the roots after drainage.