There's no need to invest in an expensive greenhouse with these clever small-scale growing solutions you can build yourself.

For the most effective greenhouse, cover every square inch with the plastic and double up as needed. Thanks to @mamabeartalk8 ...

The greenhouse covers 12,000-square feet, stands 40-feet high, and features palm trees as tall as the ceiling, carnivorous insect-eating plants, succulents, and ten-foot tall cacti. The towering ...