Arch-shaped Sigma 2x4 (Gen III) greenhouse in a garden with flowers and a stone path by Planta Greenhouses EU.
Sigma 200 (Gen III) greenhouse with transparent panels on a grassy area in front of a house.
Small Sigma 2x4 (Gen III) greenhouse on a garden with a house in the background
Partial view of a Sigma 200 (Gen III) greenhouse with a sliding door
Interior of a Sigma 200 (Gen III) greenhouse with shelves and a ladder.
Metal Sigma 200 (Gen III) greenhouse structure with curved roof and transparent panels on a concrete floor.
Sigma 200 (Gen III) Greenhouse interior with soil floor and glass walls, outside view of grassy field.
Interior of a Sigma 20 (Gen III) greenhouse with transparent walls and a door.
Partial view of a Sigma 200 (Gen III) greenhouse with transparent panels and metal frame.
Clear polycarbonate Sigma 200 (Gen III) greenhouse structure with metal frame in a warehouse setting
Metallic door with a handle and key lock on a Sigma 200 (Gen III) greenhouse door.
Clear Sigma 200 (Gen III) greenhouse with open door in a garden setting - by Planta Greenhouses EU.
Modern Sigma 200 (Gen III) greenhouse with transparent walls and a curved roof in a garden setting - by Planta Greenhouses EU.
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Sigma Small Urban (Gen III)

Sigma Small Urban (Gen III)

Approx Size: 6.5' × 13' × 8'

Transform your backyard into a vibrant garden that continues to flourish in the face of sizzling summers and frosty winters. A space where you can explore your green thumb by experimenting with a variety of zesty fruits and spicy peppers throughout the seasons. A tranquil retreat where you can spend time marveling at how your plants grow.

Features

Strong and spacious: long-lasting construction, weather-resistant materials, and roomy design.

  • Insulated Doors [NEW] – Helps reduce heat loss and drafts, creating a more stable growing environment and improving energy efficiency.
  • Upgraded Door Handles [NEW] – Smooth, reliable operation with a sturdy grip for easier daily access and long-term durability.
  • Aluminum Polycarbonate Trim [NEW] – Securely locks panels in place along the arch for added strength, better weather resistance, and a clean, finished look.
  • Window/Door Latch [NEW] - Makes the door and window open together.
  • Wind resistant up to 100 km/h for those living in gusty climates.
  • Comes with two doors (one at each end).
  • Withstands a snow load of up to 91cm (160 kg / m²)
  • Made with a heavy-duty galvanized pipe frame and 6 mm double-wall polycarbonate panels.
  • Arched shape - so the wind, snow, and hail just slide off the sides. 
  • Extendable beyond 100 ft - so you can expand your greenhouse when you're ready.
  • Maintenance-free means you have more time to focus on your garden. 
  • We offer a 5-year warranty because our greenhouse is heavy-duty and long-lasting.
  • Access to our private Facebook group to connect with and learn from other greenhouse owners.
$3,150 CAD
$3,350 CAD Save $200 Sale $3,150 CAD
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Description Reviews Shipping FAQ

About Sigma Small Urban (Gen III)

The Planta Sigma Small Urban (Gen III) was created for spirited gardeners working with compact urban and suburban spaces. This greenhouse is ideal for 3 or 4 season gardening, so you can harvest homegrown fruits and vegetables throughout the year. Our Sigma collection focuses on sturdy construction and spacious design, bringing heavy-duty greenhouse engineering right to your backyard.

Sigma 200 (Gen III) by Planta Greenhouses

Exact size: 78.7 x 94.5 x 158.3 inches

The tough galvanized pipe frame is rust-resistant and built to last. It's strong enough to handle moderate to severe weather conditions, keeping your garden protected throughout the seasons.
The greenhouse comes with:
  • two doors
  • two manual windows
  • the option to install multiple windows.

This greenhouse is particularly comfortable to work in throughout the day due to the end-to-end ventilation and the unique 7.8' (2.4m) roof height.

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Up To 160 kg / m²
160 kg / m² is equal to 91cm of fresh snow layer or 46cm of packed snow layer and is maintenance-free in the winter More About PSF
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Wind Resistant up to 65 mph (100 km/h)
Sturdy greenhouse construction that resists winds up to 100 km/h
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Extendable & Customizable
This greenhouse can be extended with additional expansion kits
 
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Shipping

Greenhouses are amazing products, and they require special shipping and handling. That is the reason, we have been working diligently over the past year to secure preferential shipping rates for our customers. Most shipments across Canada and the US are between $250 and $450. 

  • We will contact you to confirm shipping price, based on your location and order size.
  • Shipping on most residential greenhouse orders is between $250 and $450, customers in remote areas may need to pay extra.
  • When you place your order, please make sure to enter the correct Phone and Address at checkout. You will be contacted by phone before the item is shipped. We cannot be responsible for deliveries to incorrect addresses.
  • As part of the delivery process, we require a contactable telephone number (for the courier company to contact you) before the item is shipped.
  • White glove delivery service isn't available. The greenhouse components are delivered in multiple boxes, the largest of which weighs 80lbs. The greenhouse will be delivered to your driveway. Please make arrangements to have the package moved to its installation location. 
  • We do not ship to PO Boxes, as in most cases you will need to sign for your item.  
  • Orders placed on weekends or public holidays will not begin processing until the next business day. 

 

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