













Riverstone MONT Greenhouse - Premium Package
Monticello Black Greenhouse Premium
Monticello Greenhouse Premium is the ideal option for any gardener, no matter what kind of climate they live in. With this product, you can cultivate lush plants all year long! Monticello Greenhouse Premium offers superior light and security with unmatched durability. Plus, it's built with 8mm thick twin-wall polycarbonate for extra stability and rigidity - no thin walls here! Installing this beautiful addition to your outdoor space will result in added value and enjoyment to your house like never before. Treat yourself or a loved one today!
Lead Time & Shipping
* 3–5 business days. Greenhouse normally ships via FedEx Ground.
Benefits
- Built for All Seasons: Designed to grow in any climate with strong panels and lockable doors.
- Easy Expansion: Add 4-ft sections to grow with your garden.
- Extra Strong Frame: Uses 70 lbs more aluminum than typical greenhouses.
- Smart Rainwater Capture: Dual gutters make collection simple.
Features
- Heavy-duty extruded aluminum frame (70 lbs more aluminum than imported models)
- Black electrostatically painted frame — lead-free
- 8mm twin-wall polycarbonate panels for roofing and sides
- Patent-pending Twist & Lock assembly system
- Ribbed interlocking panel design
- Double doors (4 ft. wide x 6 ft. high) — lockable
- Flush base for lower threshold entry and easy anchoring
- One automatic roof vent (2 ft. x 2 ft.)
- Rain gutter system on both sides for water collection
- Expandable in 4 ft. increments
- Pre-cut, pre-drilled pieces for faster assembly
- Includes NEW door lock and vent locks for storm conditions
Included in the Package
![]() |
MONT Greenhouse - An ideal greenhouse designed to maximize light and security. This state-of-the-art structure is crafted from premium US-grade aluminum for durability you can trust plus electrostatically painted black –certified lead-free so it won't compromise on safety either! |
![]() |
MONT Work Bench Station - The design is simple, unique, and thoughtful. The Work Station can be installed either during initial construction or at a later time. Since the installation of the support bars uses the inside bolt tracks the shelving could be set at any height within the greenhouse (up to 4ft off the ground). The sturdy vented shelving units on the Work Station are constructed from commercial-grade high-impact PVC. |
![]() |
Overhead Automatic Watering System -This commercial-grade watering system is designed to hang from the ceiling, so you can save precious time, effort, and energy. With its two weighted sprinkler heads separated by a 4 ft. spray in a circular pattern, you'll be sure to give your garden the perfect amount of hydration. |
![]() |
Sink System - Whether it's cleaning up dirt and mud from shoes, scrubbing off garden tools, or washing paint brushes, this sink is perfect for all your needs. It is equipped with a mounting kit which makes it suitable for both indoor and outdoor greenhouse uses. |
![]() |
NEW Door Lock and Vent Lock - These locks are crafted with robust materials to withstand harsh weather conditions. This enhances the durability of your greenhouse, ensuring it remains functional and secure even during severe weather events. |
* Proudly designed and made in the USA. Allow a full weekend for complete assembly. Two-person install recommended.
Optional Add-ons
![]() |
Extra Roof Vent: Crafted from quality aluminum and polycarbonate, designed to be installed quickly in 30 minutes or less. It also comes with a 10-year warranty! Plus, it has an automatic electric opener so that you don't need additional vents. Plug it in and enjoy improved airflow within your greenhouse space. |
![]() |
Door Kit: You can keep your greenhouse temperature consistent and comfortable year-round, even during cold winter months. Furthermore, the doors provide better access to your plants, allowing you to take care of them with ease and efficiency. The kit includes two robust aluminum frames that provide a strong foundation for both doors as well as all hardware required for installation, including fasteners and an instruction manual. With the MONT Door Kit, you can easily add extra protection to your greenhouse while significantly increasing usability. |
![]() |
Heating System: The RSI greenhouse heating system is a reliable and efficient way to maintain the temperature of your building or greenhouse. Its ceiling-mounted design allows maximum airflow while also providing 360° of direction control. The adjustable louvers let you manage the severity of the heat flow and direct it toward specific areas as needed. With its high-efficiency burner, you can rest assured that your heating needs are taken care of for long periods of time. |
![]() |
RSI Radiant Heating Propane Gas System: Designed to deliver direct heat and allow for the temperature to be maintained over long periods of time. The gas furnace heater is ventless and runs off LP (propane) gas. The electric starter and thermostatically controlled heat output make adjusting to the correct temperature easy. |
![]() |
Flooring Kit: Create a safe and stylish surface for your greenhouse with our customizable flooring kit. Featuring breakoff square segments from 100% regenerated polypropylene, this interlocking modular system provides an anti-slip walking experience even under heels. With six available colors – green, gray, blue, black, brown & tan – the 41 tiles included in each set will perfectly match any outdoor décor. |
![]() |
Louver Window: Its 18" square size, non-rusting extruded aluminum build, and expertly crafted dual seals help keep insects out while allowing perfect ventilation levels. It includes an intelligent solar-powered opener that expands or contracts based on temperature changes for automatic opening and closing action. |
![]() |
Outdoor Sink: Riverstone's 33" wide x 20" deep x 7" tall large outdoor potting sink is an ideal solution for gardeners. It provides a handy space within reach to clean vegetables, rinse tools, or wash your hands. It comes with a mounting kit and a detachable hose reel that extends up to 200 feet. |
![]() |
Solar Ventilation Kit: Circulate air through your greenhouse and maintain a comfortable temperature without relying on electrical connections. The kit includes a 40 amp solar panel, 16" commercial exhaust fan, 5-louver aluminum cover, and thermostat. Backed by a 3-year warranty and easy to install. |
Greenhouse Comparison
| Model |
Riverstone MONT Greenhouse - Premium Package |
|
Riverstone MONT Greenhouse - Mojave Package |
Riverstone MONT Greenhouse - Moheat Package |
Riverstone MONT Greenhouse - Growers Package
|
|---|---|---|---|---|---|
| Roof Vent | 2ft x 2ft | 2ft x 2ft | 2ft x 2ft | 2 - 2ft x 2ft | 2ft x 2ft |
| Snow Load Capacity | 24 lbs/sq. ft. | 24 lbs/sq. ft. | 24 lbs/sq. ft. | 24 lbs/sq. ft. | 24 lbs/sq. ft. |
| Wind Load | 65 MPH | 65 MPH | 65 MPH | 65 MPH | 65 MPH |
| Work Bench | Yes | No | Yes | Yes | Yes |
| Interior Shade | Yes | No | No | No | No |
| Programmable Watering System | Yes | No | Yes | Yes | No |
| Sink System | Yes | No | Yes | Yes | No |
| Solar Ventilation System | No | No | Yes | Yes | No |
| Radiant Heating (Propane) | No | No | No | Yes | Yes |
| Genesis Drip Irrigation | No | No | No | No | Yes |
| Roof Type | Tinted | Tinted | Tinted | Tinted | Light Diffusing |
| Sizes Available | 8x8', 8x12', 8x16', 8x20', 8x24' | 8x8', 8x12', 8x16', 8x20', 8x24 | 8x12', 8x16',8x20', 8x24' | 8x12', 8x16',8x20', 8x24' | 8x8', 8x12', 8x16', 8x20', 8x24 |
| Warranty | 10 Years | 10 Years | 10 Years | 10 Years | 15 Years |
Compare Mont vs Similar Greenhouses (Other Brands)
| Feature |
Little Cottage Company Colonial Gable Greenhouse Kit |
|
|||
|---|---|---|---|---|---|
| Exterior / Frame | 8 mm twin-wall polycarbonate • heavy-duty extruded aluminum (black, powder-coated) | 10 mm twin-wall polycarbonate • heavy-duty powder-coated aluminum | 7/16″ LP® SmartSide® siding with wood framing | LP® SmartSide® with wood framing | Western Red Cedar framing |
| Roof Panels / Type | Twin-wall polycarbonate (tinted) | 10 mm twin-wall polycarbonate | Corrugated polycarbonate roofing | SUNSKY® corrugated polycarbonate roof | 6 mm Polygal twin-wall polycarbonate roof |
| Primary Size Compared | 8×12′ | 8×12′ | 8×12′ | 8×12′ | 8×12′ |
| All Available Sizes |
8×8′ 8×12′ 8×16′ 8×20′ 8×24′
|
8×8′ 8×12′ 8×16′ 10×12′ 10×14′ 10×16′
|
8×8′ 8×10′ 8×12′ 10×12′ 10×14′ 10×16′ 12×16′ 12×20′ 12×24′
|
||
| Doors | Double hinged doors (≈4′ W × 6′ H), lockable | Double doors (model-standard) | Working windows with tempered glass; door(s) vary by size/model | Shed-style door(s) | Dutch door (top/bottom), cedar |
| Windows / Vents | (2) automatic roof vents ≈2′ × 2′ each | Roof vents (qty varies by size) | Working tempered-glass windows; ventilation via operable windows | Operable windows; venting via roof material & windows | (2) heat-activated roof vents + side wall vents |
| Wind / Snow | ~65 MPH • ~24 lb/ft² | Up to ~76 MPH • ~25 lb/ft² (Elite series) | Not published | ~105 MPH | Not published |
| Warranty | 10-year limited | Lifetime frame • 10-year panels | Manufacturer limited (LP® SmartSide® component warranty applies) | Manufacturer limited (LP® SmartSide® component warranty applies) | Manufacturer limited (see product spec sheet) |
Assembly Guide
Downloads
Assembly Manuals
8' x 8' Download
8' x 12' Download
8' x 16' Download
8' x 20' Download
8' x 24' Download
Warranty
Frequently Asked Questions
Is the Monticello Premium Greenhouse made in the USA?
What kind of panels and roof does it use?
What are the wind and snow ratings?
What vents are included?
What are the door dimensions?
How do I anchor it?
Can I expand it later?
What’s the warranty?
What’s included vs. optional?
How is it shipped and how long does it take?
Original: $4,149.99
-70%$4,149.99
$1,245.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Monticello Black Greenhouse Premium
Monticello Greenhouse Premium is the ideal option for any gardener, no matter what kind of climate they live in. With this product, you can cultivate lush plants all year long! Monticello Greenhouse Premium offers superior light and security with unmatched durability. Plus, it's built with 8mm thick twin-wall polycarbonate for extra stability and rigidity - no thin walls here! Installing this beautiful addition to your outdoor space will result in added value and enjoyment to your house like never before. Treat yourself or a loved one today!
Lead Time & Shipping
* 3–5 business days. Greenhouse normally ships via FedEx Ground.
Benefits
- Built for All Seasons: Designed to grow in any climate with strong panels and lockable doors.
- Easy Expansion: Add 4-ft sections to grow with your garden.
- Extra Strong Frame: Uses 70 lbs more aluminum than typical greenhouses.
- Smart Rainwater Capture: Dual gutters make collection simple.
Features
- Heavy-duty extruded aluminum frame (70 lbs more aluminum than imported models)
- Black electrostatically painted frame — lead-free
- 8mm twin-wall polycarbonate panels for roofing and sides
- Patent-pending Twist & Lock assembly system
- Ribbed interlocking panel design
- Double doors (4 ft. wide x 6 ft. high) — lockable
- Flush base for lower threshold entry and easy anchoring
- One automatic roof vent (2 ft. x 2 ft.)
- Rain gutter system on both sides for water collection
- Expandable in 4 ft. increments
- Pre-cut, pre-drilled pieces for faster assembly
- Includes NEW door lock and vent locks for storm conditions
Included in the Package
![]() |
MONT Greenhouse - An ideal greenhouse designed to maximize light and security. This state-of-the-art structure is crafted from premium US-grade aluminum for durability you can trust plus electrostatically painted black –certified lead-free so it won't compromise on safety either! |
![]() |
MONT Work Bench Station - The design is simple, unique, and thoughtful. The Work Station can be installed either during initial construction or at a later time. Since the installation of the support bars uses the inside bolt tracks the shelving could be set at any height within the greenhouse (up to 4ft off the ground). The sturdy vented shelving units on the Work Station are constructed from commercial-grade high-impact PVC. |
![]() |
Overhead Automatic Watering System -This commercial-grade watering system is designed to hang from the ceiling, so you can save precious time, effort, and energy. With its two weighted sprinkler heads separated by a 4 ft. spray in a circular pattern, you'll be sure to give your garden the perfect amount of hydration. |
![]() |
Sink System - Whether it's cleaning up dirt and mud from shoes, scrubbing off garden tools, or washing paint brushes, this sink is perfect for all your needs. It is equipped with a mounting kit which makes it suitable for both indoor and outdoor greenhouse uses. |
![]() |
NEW Door Lock and Vent Lock - These locks are crafted with robust materials to withstand harsh weather conditions. This enhances the durability of your greenhouse, ensuring it remains functional and secure even during severe weather events. |
* Proudly designed and made in the USA. Allow a full weekend for complete assembly. Two-person install recommended.
Optional Add-ons
![]() |
Extra Roof Vent: Crafted from quality aluminum and polycarbonate, designed to be installed quickly in 30 minutes or less. It also comes with a 10-year warranty! Plus, it has an automatic electric opener so that you don't need additional vents. Plug it in and enjoy improved airflow within your greenhouse space. |
![]() |
Door Kit: You can keep your greenhouse temperature consistent and comfortable year-round, even during cold winter months. Furthermore, the doors provide better access to your plants, allowing you to take care of them with ease and efficiency. The kit includes two robust aluminum frames that provide a strong foundation for both doors as well as all hardware required for installation, including fasteners and an instruction manual. With the MONT Door Kit, you can easily add extra protection to your greenhouse while significantly increasing usability. |
![]() |
Heating System: The RSI greenhouse heating system is a reliable and efficient way to maintain the temperature of your building or greenhouse. Its ceiling-mounted design allows maximum airflow while also providing 360° of direction control. The adjustable louvers let you manage the severity of the heat flow and direct it toward specific areas as needed. With its high-efficiency burner, you can rest assured that your heating needs are taken care of for long periods of time. |
![]() |
RSI Radiant Heating Propane Gas System: Designed to deliver direct heat and allow for the temperature to be maintained over long periods of time. The gas furnace heater is ventless and runs off LP (propane) gas. The electric starter and thermostatically controlled heat output make adjusting to the correct temperature easy. |
![]() |
Flooring Kit: Create a safe and stylish surface for your greenhouse with our customizable flooring kit. Featuring breakoff square segments from 100% regenerated polypropylene, this interlocking modular system provides an anti-slip walking experience even under heels. With six available colors – green, gray, blue, black, brown & tan – the 41 tiles included in each set will perfectly match any outdoor décor. |
![]() |
Louver Window: Its 18" square size, non-rusting extruded aluminum build, and expertly crafted dual seals help keep insects out while allowing perfect ventilation levels. It includes an intelligent solar-powered opener that expands or contracts based on temperature changes for automatic opening and closing action. |
![]() |
Outdoor Sink: Riverstone's 33" wide x 20" deep x 7" tall large outdoor potting sink is an ideal solution for gardeners. It provides a handy space within reach to clean vegetables, rinse tools, or wash your hands. It comes with a mounting kit and a detachable hose reel that extends up to 200 feet. |
![]() |
Solar Ventilation Kit: Circulate air through your greenhouse and maintain a comfortable temperature without relying on electrical connections. The kit includes a 40 amp solar panel, 16" commercial exhaust fan, 5-louver aluminum cover, and thermostat. Backed by a 3-year warranty and easy to install. |
Greenhouse Comparison
| Model |
Riverstone MONT Greenhouse - Premium Package |
|
Riverstone MONT Greenhouse - Mojave Package |
Riverstone MONT Greenhouse - Moheat Package |
Riverstone MONT Greenhouse - Growers Package
|
|---|---|---|---|---|---|
| Roof Vent | 2ft x 2ft | 2ft x 2ft | 2ft x 2ft | 2 - 2ft x 2ft | 2ft x 2ft |
| Snow Load Capacity | 24 lbs/sq. ft. | 24 lbs/sq. ft. | 24 lbs/sq. ft. | 24 lbs/sq. ft. | 24 lbs/sq. ft. |
| Wind Load | 65 MPH | 65 MPH | 65 MPH | 65 MPH | 65 MPH |
| Work Bench | Yes | No | Yes | Yes | Yes |
| Interior Shade | Yes | No | No | No | No |
| Programmable Watering System | Yes | No | Yes | Yes | No |
| Sink System | Yes | No | Yes | Yes | No |
| Solar Ventilation System | No | No | Yes | Yes | No |
| Radiant Heating (Propane) | No | No | No | Yes | Yes |
| Genesis Drip Irrigation | No | No | No | No | Yes |
| Roof Type | Tinted | Tinted | Tinted | Tinted | Light Diffusing |
| Sizes Available | 8x8', 8x12', 8x16', 8x20', 8x24' | 8x8', 8x12', 8x16', 8x20', 8x24 | 8x12', 8x16',8x20', 8x24' | 8x12', 8x16',8x20', 8x24' | 8x8', 8x12', 8x16', 8x20', 8x24 |
| Warranty | 10 Years | 10 Years | 10 Years | 10 Years | 15 Years |
Compare Mont vs Similar Greenhouses (Other Brands)
| Feature |
Little Cottage Company Colonial Gable Greenhouse Kit |
|
|||
|---|---|---|---|---|---|
| Exterior / Frame | 8 mm twin-wall polycarbonate • heavy-duty extruded aluminum (black, powder-coated) | 10 mm twin-wall polycarbonate • heavy-duty powder-coated aluminum | 7/16″ LP® SmartSide® siding with wood framing | LP® SmartSide® with wood framing | Western Red Cedar framing |
| Roof Panels / Type | Twin-wall polycarbonate (tinted) | 10 mm twin-wall polycarbonate | Corrugated polycarbonate roofing | SUNSKY® corrugated polycarbonate roof | 6 mm Polygal twin-wall polycarbonate roof |
| Primary Size Compared | 8×12′ | 8×12′ | 8×12′ | 8×12′ | 8×12′ |
| All Available Sizes |
8×8′ 8×12′ 8×16′ 8×20′ 8×24′
|
8×8′ 8×12′ 8×16′ 10×12′ 10×14′ 10×16′
|
8×8′ 8×10′ 8×12′ 10×12′ 10×14′ 10×16′ 12×16′ 12×20′ 12×24′
|
||
| Doors | Double hinged doors (≈4′ W × 6′ H), lockable | Double doors (model-standard) | Working windows with tempered glass; door(s) vary by size/model | Shed-style door(s) | Dutch door (top/bottom), cedar |
| Windows / Vents | (2) automatic roof vents ≈2′ × 2′ each | Roof vents (qty varies by size) | Working tempered-glass windows; ventilation via operable windows | Operable windows; venting via roof material & windows | (2) heat-activated roof vents + side wall vents |
| Wind / Snow | ~65 MPH • ~24 lb/ft² | Up to ~76 MPH • ~25 lb/ft² (Elite series) | Not published | ~105 MPH | Not published |
| Warranty | 10-year limited | Lifetime frame • 10-year panels | Manufacturer limited (LP® SmartSide® component warranty applies) | Manufacturer limited (LP® SmartSide® component warranty applies) | Manufacturer limited (see product spec sheet) |
Assembly Guide
Downloads
Assembly Manuals
8' x 8' Download
8' x 12' Download
8' x 16' Download
8' x 20' Download
8' x 24' Download

























