As long as they get 8 hr or so .The more the better tho. The box had a 1/4 tube you add water at. The box has a built in space in bottom it holds about 3 gallons. During middle of summer 2 plants will empty the water daily. Just go to their web page it’s extremely simple easy to grow tomatoes
The best and easiest way is to purchase a earth box can usually get fairly cheap on amazon. Comes with everything you need except dirt and plants. Once you fill box plant tomatoes all you have to do is add water As far as tomatoes all i grow are better boy creole or celebrity