Drip irrigation - how to know how much water?
I saw the recent thread about drip irrigation systems. I have just installed the Dripworks kits on all my roses (and daylilies and a side border garden, too). Right now, I'm running the irrigation system on a timer for 30 minutes 3 days a week, but I have no idea how to gauge how much water the roses really need. Any suggestions on how much / how long to run the water. All the roses seem to be happy, so I've left it alone.
Nancy in Lenoir, NC