A plastic tote greenhouse is truly the easiest and cheapest way I've found to start seeds early in the season. As someone who hates to waste money and space on single-use gadgets (I'm looking at you, ...

Given that greenhouses can cost as much as $25,000, only the wealthiest cold-climate gardeners can afford to keep their plants happy year-round. Unless, that is, you build the greenhouse yourself.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...