we installed 15" high raised redwood beds...

...with underground irrigation and
1/2" hardware cloth for the gophers...

Each bed has an solenoid-activated irrigation valve. Each half of each bed is zoned for additional irrigation control.

Irrigation is controlled by a Hunter PSC-1200Z, commercial-grade 12 station timer and a MiniClik rain sensor; each station's watering program can be individually controlled.

filled them with soil, and...