So I built my wife two raised garden beds this year so that she could grow some vegetables. I am trying to make this easier for her on watering. I am going to setup a small drip style system. I purchased a valve box this morning along with a automated timer. I am going to bury most of the valve box, then line the bottom with 3/4" crushed with some weed mat in case there are any drips. I thought about an o-ring style box at first this morning, but now I understand that you want it to be breathable for the moisture. Inside I will be placing a one port timer. I was going to go with a two port timer for each box, but it's just vegetables and I don't think each box need a separate timer cycle. I will then add a pressure reducer behind it followed by a 2-way valve for each line. This is where I haven't decided if I am going to drop to a 1/2" hose then split of into 1/4", or what I will be doing. I am actually thinking about running to solid pvc up each side followed by a manifold, then run 1/4" lines from the manifold. Basically when I am done, it will kick on throughout the day at certain lengths and she won't have to touch it.