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Riverstone Industries Monticello Black Greenhouse Premium

SKU MONT-8-BK-PREMIUM
Save 13% Save 13%
Original price $4,749.99
Original price $4,749.99 - Original price $8,549.99
Original price $4,749.99
Current price $4,129.99
$4,129.99 - $7,929.00
Current price $4,129.99
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  • Transparent pricing. No hidden fees at checkout
  • In stock. Ships in 1 to 2 business days
  • Typical delivery 4 to 7 days*
  • Price Match Guarantee. We beat verified prices
  • 30 day returns on eligible items
  • Manufacturer warranty included
  • No sales tax in most states*

Questions? Text or call +1 (307) 248-7227

*Exclusions apply. See Shipping, Returns, Warranty.

Size: 8x8'
Price Match Guarantee at OffGrid Lux

At OffGrid Lux, we're committed to offering you the best prices online. That's why we have a Price Match Guarantee in place. If you find a lower price for the same product elsewhere, we'll match or beat it to ensure you get the best value.

For full details on our Price Match Guarantee, including eligibility criteria and how to request a price match, please click here to view our complete policy.

Shipping & Order Policy at OffGrid Lux

When you place an order, we confirm stock availability before charging your card. Orders typically process within 1-2 business days, and shipping is fast—most orders arrive within 4-7 days. We use reliable third-party carriers and provide tracking information promptly.

For more details, click here to view our full Shipping Policy.

Refunds & Returns at OffGrid Lux

We're committed to your happiness with every purchase. Need assistance? Just reach out. You have 30 days from delivery to return items in their original condition. We process refunds promptly, usually within 3 business days of receiving your return.

For more info, check out our full Returns & Refunds Policy here.

Monticello Black Greenhouse Premium

The Monticello Black Greenhouse Premium is the perfect choice for gardeners in any climate seeking a durable, efficient, and secure space to grow lush plants year-round. Built with 8mm thick twin-wall polycarbonate panels, this greenhouse offers exceptional stability and rigidity—no thin walls here. The heavy-duty extruded aluminum frame uses 70 pounds more aluminum than typical imported models, ensuring long-lasting strength and superior protection.

Designed with expansion in mind, the greenhouse can be extended in 4-foot sections to grow with your gardening needs. Its smart rainwater capture system, featuring dual gutters on both sides, makes water collection easy and efficient. Lockable double doors, an automatic roof vent, and a flush base for easy entry combine for enhanced security and usability. The innovative patent-pending Twist & Lock assembly system and pre-cut, pre-drilled parts speed up installation, making this greenhouse both beautiful and practical.

Key Features

  • Heavy-duty extruded aluminum frame with 70 lbs more aluminum than standard imports

  • Lead-free, black electrostatically painted frame for durability and style

  • 8mm twin-wall polycarbonate panels on roof and sides for superior insulation and strength

  • Patent-pending Twist & Lock assembly system for simplified construction

  • Ribbed interlocking panel design for added rigidity and weather resistance

  • Lockable double doors (4 ft wide x 6 ft high) for secure access

  • Flush base design for low threshold entry and easy anchoring

  • One automatic roof vent (2 ft x 2 ft) for efficient ventilation

  • Rain gutter system on both sides for easy water collection

  • Expandable in 4-foot increments to increase growing space

  • Pre-cut, pre-drilled components for faster assembly

  • Includes upgraded door and vent locks designed for storm protection

Lead Time & Shipping

* 3–5 business days. Greenhouse normally ships via FedEx Ground.

Benefits

Year-Round Growing: Engineered to perform in any climate, this greenhouse features durable panels and secure lockable doors, providing reliable protection for your plants through every season.

Expandable Design: Easily grow alongside your garden’s needs. The modular system allows you to add 4-foot extension sections, giving you flexibility to increase your growing space over time.

Reinforced Heavy-Duty Frame: Built with 70 pounds more aluminum than standard greenhouses, the extra-strong frame offers superior stability, long-lasting durability, and added protection against harsh weather.

Efficient Rainwater Collection: Integrated dual gutter system makes capturing and reusing rainwater simple and sustainable, helping conserve water while keeping your plants hydrated naturally.

 

Included in the Package

MONT Greenhouse: This advanced greenhouse is engineered to optimize both light exposure and plant security. Crafted from premium U.S.-grade aluminum with an electrostatically applied black finish, it’s fully lead-free for safe, long-lasting use. The combination of strength and elegant design ensures reliable protection for your plants year-round.

MONT Work Bench Station: Thoughtfully designed for flexibility, the workbench can be installed during initial setup or added later. Thanks to its innovative inside bolt track system, shelving height is fully adjustable (up to 4 feet off the ground), allowing for efficient use of space. The vented shelving units are built from commercial-grade, high-impact PVC for long-term durability.

Overhead Automatic Watering System: This ceiling-mounted, commercial-grade watering system saves time and labor while delivering consistent hydration. Two weighted sprinkler heads spray in a 4-foot circular pattern, providing even, targeted watering throughout your greenhouse.

Sink System: Keep your greenhouse clean and organized with this versatile sink. Perfect for rinsing tools, cleaning shoes, washing paint brushes, or prepping freshly harvested vegetables. Includes a mounting kit for easy indoor or outdoor installation.

NEW Door Lock and Vent Lock: Built with heavy-duty, weather-resistant materials, these upgraded locks enhance the security and durability of your greenhouse, ensuring safe operation even in harsh weather.

Proudly designed and manufactured in the USA. Full assembly typically requires a full weekend with two people recommended for installation.


Optional Add-ons

Extra Roof Vent: Improve greenhouse ventilation with this easy-to-install roof vent made from durable aluminum and polycarbonate. Install in 30 minutes or less, and enjoy automatic electric operation for effortless climate control. Backed by a 10-year warranty.

Door Kit: Maintain optimal temperatures while enhancing accessibility. This complete kit includes two robust aluminum-framed doors, hardware, and step-by-step installation instructions, providing additional protection and easier access to your plants in all seasons.

Heating System: The RSI greenhouse heater delivers reliable temperature control with its ceiling-mounted design and 360° directional airflow. Adjustable louvers let you fine-tune heat distribution, while the high-efficiency burner ensures long-term heating performance with maximum energy savings.

RSI Radiant Heating Propane Gas System: Ventless propane heater delivers direct, steady heat with an electric starter and thermostat-controlled temperature regulation, keeping your greenhouse climate stable during cold seasons.

Flooring Kit: Create a safe, attractive floor with modular interlocking tiles made from 100% regenerated polypropylene. The anti-slip surface provides stable footing, even on heels, and comes in six color options: green, gray, blue, black, brown, and tan. Each kit includes 41 tiles for easy customization.

Louver Window: This 18" square louver window features rust-resistant extruded aluminum construction and dual weather seals to keep insects out while allowing optimal airflow. The built-in solar-powered opener automatically adjusts based on temperature changes for efficient climate regulation.

Outdoor Sink: This large 33" x 20" x 7" outdoor potting sink offers convenient space for washing vegetables, tools, and hands. Includes a mounting kit and a detachable hose reel extending up to 200 feet for maximum reach.

Solar Ventilation Kit: Circulate fresh air throughout your greenhouse without relying on electrical power. The kit includes a 40-watt solar panel, 16" commercial exhaust fan, 5-louver aluminum cover, and thermostat. Easy to install and backed by a 3-year warranty for long-lasting performance.

* Proudly designed and made in the USA. Allow a full weekend for complete assembly. Two-person install recommended.

 


Greenhouse Comparison

Model Riverstone Industries Monticello Black Greenhouse
Riverstone Industries Monticello Black Greenhouse
Riverstone Industries Monticello Premium Greenhouse
Riverstone Industries Monticello Premium Greenhouse
Riverstone Industries Monticello Mojave Greenhouse
Riverstone Industries Monticello Mojave Greenhouse
Riverstone Industries Monticello MOHEAT Greenhouse
Riverstone Industries Monticello MOHEAT Greenhouse
Riverstone Industries Monticello Growers Edition Greenhouse
Riverstone Industries Monticello Growers Edition Greenhouse
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 No Yes Yes Yes Yes
Interior Shade No Yes No No No
Programmable Watering System No Yes Yes Yes No
Sink System No Yes Yes Yes No
Solar Ventilation System No No Yes Yes No
Vegi-Bee Mechanical Pollinator System No No Yes Yes No
Radiant Heating Propane Gas System No No No Yes Yes
Genesis Drip Irrigation System 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

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

Download

FAQ

  • Does this greenhouse include a tie-down system?
    No, this greenhouse does not come with a separate tie-down kit. However, its integrated flush base allows for secure anchoring directly into the ground or foundation.

  • We live in a windy area. What is the wind resistance of this greenhouse?
    The Riverstone Monticello Moheat Greenhouse is engineered to withstand wind speeds up to 65 miles per hour, ensuring strong performance in windy environments.

  • Is it possible to take down and relocate this greenhouse?
    Absolutely! This product is designed for easy disassembly and relocation whenever needed.

  • Is it hard to assemble?
    The Mont greenhouse is designed for the average homeowner, requiring no special skills. Assembly time varies based on weather, selected options, site conditions, and the number of helpers available. All parts are cut to size and should fit properly. If you encounter any issues, please contact our help team so we can assist you and ensure no delays during assembly.

  • Can I Expand it ? 
    Yes , there's an expansion kit

 

 

 

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