Choosing the right materials is crucial when building a mini greenhouse for your balcony or patio. One of my favorite materials to use is clear plastic sheeting because it's affordable ...
Plastic sheeting is used as a covering to help let in plenty of light while keeping the cold out. The greenhouse is also heated, and can maintain a 40 deg F temperature differential with 14,000 BTUs.
It is best to avoid single-walled greenhouses of any type, especially those made of soft PVC sheets. Make sure it ... The black plastic of the barrel will absorb heat and raise the temperature ...