underground

What Should I Do?

© Neo-farms

Walipini Style Greenhouses

Year-round gardening in an underground greenhouse
Friday, March 21, 2014, 4:35 PM

How would you like to have fresh vegetables and fruit year round? Sounds pretty good right?  Having an underground greenhouse will keep the temperatures hot in the winter and help prevent overheating in the summer; making it possible to grow your garden vegetables through the cold winter months.

How it Works

We all learned in school that under the earth’s crust is magma which heats the entire sphere. Surprisingly, if you dig down 4 feet, the heating process becomes apparent. For the vast majority of the planet, 4 feet below the surface will stay between 50° to 60°F even if the weather above the ground is 10°F with a cold wind! This phenomenon is called the thermal constant and it’s what the underground greenhouse thrives on. » Read more