The Master Cultivator™ is built to withstand any weather conditions

Whether your structure is to cover a pool or house your gardening projects, it's a beautiful addition to any property.

National home greenhouse models are designed and engineered to meet most local building code requirements

Adding a greenhouse structure to your home is a great way to add resale value!

Home Greenhouse:

The Master Cultivator™

The Master Cultivator can be designed as a freestanding or lean-to models and customized to meet the needs of even the most demanding gardeners. This greenhouse comes in a standard aluminum mill finish and can be painted in virtually any custom color. Additionally, covering options are virtually limitless including single pane glass, insulated glass, and 8mm or 16mm polycarbonate.

Standard Features:

Frame
• Extruded aluminum frame
• Mill Finish
• Steel fasteners at all connections
• 6” on 12” roof pitch
• All framing members are pre-cut and pre-drilled
• Rigid frame (free span) or truss frame
Covering
• Single Pane Glass
• Insulated Glass
• 8mm or 16mm clear polycarbonate glazing
Door
• Aluminum storm door(s)
• 1-5/8” heavy-duty frame
• Elegant brass handle
• Keyed deadbolt for security
Ventilation
• One continuous row of screened, thermostatically controlled roof vents
Foundation
• Foundation or footer provided by the customer is required for construction
• In cold climates, a foundation below frost line is highly recommended
• Our kneewall height requirement is 28" from grade to covering
Engineering
• National home greenhouse models are designed and engineered to meet most local building code requirements
• Engineered stamped plans are included in the package price

Optional Custom Features

Frame
• Painted Frame
• 4-1/2" on 12 roof pitch
Model Choices and Sizes
• Freestanding or lean-to models
• Custom Lengths and Widths available
• Glazed to customer provided kneewall

Door
• Double doors
• Commercial quality doors

Ventilation
• Second row of roof vents
• Side wall vents

Customer Feedback:

“We are very pleased with the quality of the Cultivator Elite. I don’t think there is anything on the market that could stand our weather conditions better than a Cultivator Elite.”
B.R., Ferrum, VA

“I love to garden, and with our short growing season, my greenhouse allows me to lengthen my growing time. National Greenhouse has been a fabulous company to work with. I couldn’t be happier.”
L.J., Klamath Falls, OR

“I grow orchids as a hobby, and the greenhouse has brought me such joy…it’s my “get-away” place where I spend many hours of enjoyment.”
Z.R., Moultrie, GA

The Master Cultivator™

Standard Features:

Optional Custom Features

Customer Feedback:

“We are very pleased with the quality of the Cultivator Elite. I don’t think there is anything on the market that could stand our weather conditions better than a Cultivator Elite.” B.R., Ferrum, VA

“I love to garden, and with our short growing season, my greenhouse allows me to lengthen my growing time. National Greenhouse has been a fabulous company to work with. I couldn’t be happier.” L.J., Klamath Falls, OR

“I grow orchids as a hobby, and the greenhouse has brought me such joy…it’s my “get-away” place where I spend many hours of enjoyment.” Z.R., Moultrie, GA

“Having had other greenhouses and pool covers, I can truly say that the National Greenhouse product is superior.” G.R., Lakewood, CO

“We are very pleased with the quality of the Cultivator Elite. I don’t think there is anything on the market that could stand our weather conditions better than a Cultivator Elite.”
B.R., Ferrum, VA

“I love to garden, and with our short growing season, my greenhouse allows me to lengthen my growing time. National Greenhouse has been a fabulous company to work with. I couldn’t be happier.”
L.J., Klamath Falls, OR

“I grow orchids as a hobby, and the greenhouse has brought me such joy…it’s my “get-away” place where I spend many hours of enjoyment.”
Z.R., Moultrie, GA

“Having had other greenhouses and pool covers, I can truly say that the National Greenhouse product is superior.”
G.R., Lakewood, CO