1. Greenhouse Types

2. What is a Greenhouse?
A greenhouse is an area designed to grow plants in a controlled environment which allows for optimum growth.

3. What is a Greenhouse?
When several of these buildings are joined together they are often referred to as a greenhouse range.

4. What is a Greenhouse?
A greenhouse at home is usually attached to the house or the garage.

5. Types of Greenhouse Structures
Even Span
Uneven Span
Lean-to
Quonset
Gothic Arch
Curvilinear
Ridge and Furrow
Sawtooth

6. Even Span Greenhouses Most commonly used today
The spans (roof sides) are equal length.
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7. Uneven Span Greenhouses
One side of the roof is longer than the other side
The longer side faces south, using the suns heat to maximum advantage.

8. Lean-to Greenhouses Built against other greenhouses or building.
The roof slopes to one direction usually facing south.

9. Quon-set Greenhouses Inexpensive and easy to install.
Drawback is they lack of height near the side walls.

10. Gothic-arch Greenhouses
Not widely used.
Framework formed from laminated wooden trusses.
Used for potted plants.

11. Curvilinear Greenhouses
Used in city parks, botanical gardens, and wealthy individuals as conservatories.

12. Ridge and Furrow Greenhouse
A ridge and furrow house is a series of even-span greenhouses connected together.

13. Sawtooth Greenhouse
A sawtooth greenhouse is a series of lean-to greenhouses connected together.

14. Greenhouse Frame It must be strong and light.
It must allow even distribution of light to the plants.

15. Types of Framing Material
Wood
Iron
Steel
PVC Pipe
Aluminum*
* The most common

16. Greenhouse Cladding
Cladding is another name for covering or “skin” of the greenhouse.

17. Greenhouse Cladding
Glass
Plastic*
Rigid (roll)
Non-Rigid

18. Greenhouse Cladding
Saran
Used to shade plants from the sun.