I discovered today that my pots were watering “odd days”. On investigation I figured out that if I set the schedule to “every day”, save, then re-open the schedule it will have “odd days” filled in by default instead of the previous “every day” setting. I had recently turned off “weather intelligence” for the pots since I found they needed to be watered even if rain was in the forecast. I suppose I did not notice that the repeats had changed and saved with the wrong interval.