Greenhouses by National

The Cultivator Elite Freestanding is built to withstand any weather conditions

Our kneewall height requirement is 28" from grade to covering

All models available with single storm door(s)

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 re-sale value!

Home Greenhouse:

The Cultivator Elite with Gable End Attached

The Cultivator Elite Freestanding models with gable ends attached to a structure, such as your home or garage, provide you with the best benefits from both our freestanding and lean-to greenhouse styles. You will get the additional gardening space of the freestanding models along with the direct-access ability of the lean-to models.

Standard Features:

Frame
• Extruded aluminum frame
• Choice of bronze or white baked-on enamel finish
• Steel fasteners at all connections
• 4-1/2” on 12” roof pitch
• All framing members are pre-cut and pre-drilled
Covering
• 1/8” clear tempered glass
• 1/8” bronze-tinted glass
• 8mm clear, twinwall polycarbonate
(available on straight eave models only)
Door
• All models available with single storm door(s)
• 12', 16', and 20' wide stand-alone models available with double Pella storm doors
• 1-5/8” heavy-duty frame
• Elegant brass handle
• Keyed deadbolt for security
Ventilation
• One continuous row of screened, thermostatically controlled roof vents
• Door features sliding screened window
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

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 from National Greenhouse Co.”
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 Co. 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 Cultivator Elite with Gable End Attached

Standard 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 from National Greenhouse Co.” 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 Co. 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 Co .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 from National Greenhouse Co.”
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 Co. 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 Co .product is superior.”
G.R., Lakewood, CO