Q. I’ve heard there is a way to set up a self-watering system for houseplants when you’re away on vacation. How is this done? A. If you are going to be away for more than a couple of days, you can ...

If you live in an apartment or in a city but love to garden, a hydroponic system will let you grow vegetables, fruits and herbs without taking up a lot of space. Best of all, you don’t even need to ...