I have a 4-zone irrigation system to water around 175 trees plus garlic. I’m only using 3-zones right now. This is an old diagram from 2024. This diagram doesn’t show the fig nursery/garlic, and I never did the last far right row of green pots because it was too shady. All pots are now 8-gallons.
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I started with 1/2” supply lines, but outgrew the system (ie, the water wouldn’t make it to the end of the zone when I added more trees so I had to split into 2 smaller zones). The patch is split into 2 zones front to back (where the dotted line is between the blue and orange pots). To save money, I only upsized the 1/2” line from the supply to where it started down the rows to 3/4”. Once on the rows, it is 1/2” tubing with 1/4” tubing connected to 3-gph drip rings. I use a trellis system to support my irrigation lines. I keep the irrigation tubes outside all winter but take in the timer.
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I keep my collection as consistent as possible in terms of pot size (mostly 8-gallon) and soil mix. For the handful of 15-gallon pots, I simply use 2-drip rings in that pot. I use adjustable drippers for the 3-gallon fig nursery and garlic.
I started with a Melnor Bluetooth timer, but it died this year after 3 seasons. (The Bluetooth stopped working even after we changed batteries, updated app, etc). We were never happy with the app that you use to connect to program the schedule. We replaced it with the Orbit b-hyve 4-port times with Bluetooth and we added on the WiFi hub. The app seems much easier to use.
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In the future, I would like to mount everything on a board and hang it on the wall above the faucet. There’s not enough room between the faucet and the floor to fit everything, and the connections seem convoluted as we tried to make it work. We’re behind on everything this season because of the weird weather… someday…