How To Build A PVC Watering Grid


The square foot gardening practice is a good idea if you have a small garden and want to divide it into small sections, to grow different kinds of plants. If you’re relatively new in the field of square foot gardening, then this tutorial of a homemade PVC watering grid will come in handy. This grid will help you become faster and more efficient in watering your garden. Once you’ve created the grid out of PVC pipes, you will need to attach a hose and a timer and let it do its job.  Get more information about square foot gardening and a full guide on how to make a PVC watering grid on your own. Replicate the steps you see there and make your own system at home!


For this project was used 1/2″ PVC tubing, cuted into

18x 10-3/4″ lengths
6x 9-1/4″ lengths
2x 2-2/1″ lengths



9 pcs cross connectors






2 pcs 90° Elbows






1 pc PVC Reducer Male Adapter 3/4″ MNPT x 1/2” Slip






2 pcs Male Slip Adapter 1/2″ x 1/2″






2 pcs 1/2″ Threaded cap.







9 pcs Slip on PVC caps.







for each grid


The timer assembly parts are:
A double nozzle faucet timer.
2. short lengths of double female ended hoses.
1. Brass 2-Way Connector.
1. 3/4″ Double Male Brass Water Hose Coupling


more details here…

More ideas:

4 Responses to “How To Build A PVC Watering Grid”

  1. James says:

    Why would you have a 2 port timer, and combine it back into one hose? wtf?

  2. Julya says:

    If you read through the link, he says that the two timers allow him to run it twice a day.

  3. SFGardener says:

    Thanks for this article. I followed a different one years ago but this is better documented and I appreciate the shopping list! I do wonder; how do you find the spray distribution of the misters? I remember buying them but ended up drilling holes into the side tubes for more of a drip system but I don’t remember why I didn’t use them in the end.

  4. Dan says:

    For less than $50, you can buy a wifi timer like the Orbit B-Hyve that allows you to set multiple timers for the same tap and day and you can water anytime you want from the app. Probably wouldn’t cost much more than buying all those tap connection pieces. It’s what I use.

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