I was recently introduced to the olla – a garden hack that's been used for centuries to help irrigate gardens. What is an olla, you may ask? Well, it's a simple terracotta vessel that's buried in the ...
The nifty water delivery system of an olla was introduced in last week’s Gardening for You column (July 19). An olla (OY-yah) is a porous clay pot that supplies water directly to a plant’s root zone.
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