A mini-greenhouse

This simple plastic sweater box was flipped upside down and made into a useful seed starter.   Photo/Illustration: Mike Wanke

I use plastic sweater boxes as mini-greenhouses to germinate my seeds. I turn the lids upside down and place the flats of seeds or pots on the lid. I water the soil and then place the bottom of the box on top of the lid. I don’t have to water the flats again. I keep the boxes closed until the seeds germinate. Another advantage of using sweater boxes is that they can be stacked to conserve space.