Last week, horticulturist Amy Ivy talked about the first thing you need to start seedlings indoors: proper lighting (and a little warmth).Today, step 2: the right containers. Save those plastic blueberry boxes from the supermarket, or cut a milk carton in half the long way and punch holes in the bottom. It isn't hard or expensive to outfit your set-up with something that works, but you need to follow some simple rules on size, drainage and cleanliness. [full story]