Winter Garden-Among the wonderful ideas I've seen is the ability to keep a greenhouse warm without the need for propane or other fuels. Is there a way to do this? The answer is yes. Here are some of those ideas.

Conserving Energy-How to deal with air leaks, cold ground and more

Mother Earth News-Earth-sheltered Greenhouse-Triple the length of your growing season with this simple, energy-efficient design.

Off Season Production of Strawberries-NY-We have been working on the techniques that would enable greenhouse owners to produce strawberries and raspberries during the off-season. One,

Passive Solar-Passive solar designs are made to utilize the energy of the sun and the earth in synergistic union of home and greenhouse. Other related 1, 2, 3, 4, 5,

Solar Garden-Using Tiny soap bubbles for cooling and heating. Ontario.

USDA-Agricultural Research Service (ARS) scientist developed a new method for propagating June-bearing strawberry varieties that allows the plants to fruit in the fall, continue fruiting until December, and then fruit again in the spring.