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Greenhouses. Greenhouse History . Greenhouses date as far back as 30 A.D. Roman Empire Sheets of Mica over Trenches 1599 the First Practical Greenhouse was developed Kings and Queens had Greenhouses to show their wealth Orangeries. What is a Greenhouse?.
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Greenhouse History • Greenhouses date as far back as 30 A.D. • Roman Empire • Sheets of Mica over Trenches • 1599 the First Practical Greenhouse was developed • Kings and Queens had Greenhouses to show their wealth • Orangeries
What is a Greenhouse? • A structure that is covered with a translucent material that uses solar radiant energy to grow plants • The purpose of a greenhouse is to allow the growth of plants all year, especially when conditions are naturally unfavorable
Greenhouse Purposes • Hobby • Conservatory • Atrium/Hotel • Teaching/Research • Commercial • Production • Type of Plants • Cut Flowers, Potted Plants, Bedding Plants, Food Production • Retail
Types of Greenhouse Operations • Small Grower • Local Markets • Niche Crops • Large Variety of Specialty Crops • More Services • Large Grower • Mass Quantities of a Few Crops • Larger Market (Regional or National)
Greenhouse Styles • A-Frame • Even Span • Uneven Span • Venlo • Open Roof • Quonset • Lean-To • Gutter Connected (Ridge and Furrow) • Detached
High Profile vs. Low Profile • Low Profile • Venlo • Wider Angle • High Profile • Acute Angle
Location, Location, Location • Room for Expansion • Topography • Land-Use Predictions • Climate • Labor Supply • Accessibility • Water • Orientation
Location, Location, Location! • Room for Expansion • How big do you want to be? • Ultimate Size • Land Use • Zoning • Property Values • Taxes • Climate • Southern Greenhouses Can Be Too Hot • Higher Elevations = More Light but Cooler Temperatures • Obstructions to Light
Location, Location, Location! • Labor Supply • Water • Quality and Quantity • Accessibility • Utilities • Retail • Wholesale
Location, Location, Location! • Orientation • Southern States • South of Pennsylvania • Houses should run North-South • Northern States • Pennsylvania and North • Houses should run East-West
Materials • Glass • Must be Tempered • Lets the Most Light In • Expensive • Heavy • Plastic • Inexpensive • Lighter Weight
Non-Glass Coverings • Film • Short Lifespan • Inexpensive • Can Have Moisture Problems • Vinyl • Static Charge-Holds Dust • Acrylic • Stains • Longer Lifespan • More Expensive
What Else??? • Heating System • Cooling System • Watering System • Benches • Storage Areas • Growing Area • Parking Lots • Driveways • Offices