Various Greenhouses

A greenhouse, or a glasshouse is a structure in which plants can be grown. These structures range in size from small sheds to large industrial size buildings. A miniature greenhouse is known as a cold frame.

Cold Frame greenhouse

With a cold frame or a greenhouse, you can extend your growing season or in some climates, you can grow right through the winter.

A coldframe is also an ideal place to gradually acclimate your seedlings grown indoors to conditions outside.

A cold frame essentially is nothing more than four walls to trap heat and shelter plants, and a transparent lid that admits light. You can make the walls from any sturdy material—plywood, bricks, even bales of straw. An old window works perfectly as a lid, but you can also use plexiglas or plastic sheeting tacked to a frame.

Geodesic-GreenhouseGreenhouses allow for greater control over the growing environment. Depending upon the specification of a greenhouse the factors which may be controlled include temperature, levels of light and shade, irrigation and humidity.

Greenhouses may be used to overcome shortcomings in the growing qualities of a piece of land, such as a short growing season or poor light levels, and they can thereby improve food production in marginal environments.


Greenhouse gardening is similar in many ways to gardening outside. The plants still need adequate nutrients and water, and protection from insect pests and diseases.

But the greenhouse environment is also quite different from that of an outside garden. The very things that make greenhouse growing more controlled and convenient also make it more demanding.

Recycled-Window-Green-HouseIn a greenhouse, you control temperature, humidity, soil aeration, soil moisture and drainage, fertility levels, and light. This degree of environmental control gives you tremendous opportunity as well as some new responsibilities.

It may take you a while to figure out how to effectively set up your greenhouse to work well in your environment. Making adjustments to control temperature by ventilating or shading areas.

Ensuring proper air circulation for a healthy environment for your plants is another challenge you might run into. As well as finding out how to get the perfect humidity inside your greenhouse.

Wooden Shingle Greenhouse
Read more on greenhouses:
Understanding the greenhouse
The underground greenhouse
Greenhouses, poly vs glass – It’s really you

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