i read some older threads a while back where a few members stated they only watered every 2-3 weeks, instead of every day like a lot of us do. for those that use a watering schedule that spans weeks, when do you begin this? is it only for mature (second or third year) plants, or suitable for plants when they reach a certain height, or what? also, what is your climate like during the summer...and how much, if any, do you compensate for very hot weather (100+)?