6′ x 12′ Palram Canopia Harmony Large Green Polycarbonate Greenhouse (1.85m x 3.70m)
Overview
The 6 x 12 Palram Canopia Harmony Large Green Polycarbonate Greenhouse combines traditional design with high-specification materials to create an ideal growing environment. This premium polycarbonate greenhouse uses Fine Shield Technology™ for crystal-clear panels that transmit 90% of light whilst blocking 100% of harmful UV rays. The robust construction ensures your plants receive optimal growing conditions year-round.
Key Features
- Crystal-clear polycarbonate panels with 90% light transmission
- 100% UV ray protection prevents plant stress and fade
- Heavy-duty aluminium frame with galvanised steel perimeter base
- Lockable single door with left or right-hand opening options
- Two manually-opened roof vents for temperature control
- Integral greenhouse guttering for water collection
- Sliding panel assembly system for straightforward installation
- Completely maintenance-free and rust-resistant
- 5-year limited warranty included
Roof Type
This large greenhouse features a traditional apex roof design. The sloped roof profile ensures effective rainwater runoff and enhances the aesthetic appeal of your garden whilst providing superior weatherproof protection for your plants.
Dimensions
The greenhouse measures 6 feet by 12 feet (1.85m x 3.70m), offering generous growing space for a serious gardener. These dimensions provide ample room for rows of plants, potting benches, and storage whilst remaining practical for most garden sizes.
Construction
Built from high-impact polycarbonate panels with uniform profiles, this polycarbonate greenhouse features a heavy-duty aluminium frame and galvanised steel perimeter base. The construction is snow-load tested to 75kg/m² and wind resistant to 90km/hr, providing supreme weatherproof protection. The pre-cut panels slide easily into place for simple assembly.
Treatment & Guarantee
All materials are treated to resist rust and fade, with the polycarbonate panels guaranteed not to discolour in sunlight. This greenhouse is backed by a reassuring 5-year limited warranty, ensuring long-term peace of mind. Being completely maintenance-free, it saves you time and money compared to traditional glass alternatives.
Doors & Windows
Access to your plants is via a single lockable door that can be fitted for left or right-hand opening to suit your garden layout. The door includes a magnetic catch and padlock fixing (padlock not included) to keep your tools and plants secure. Two manually-opened roof vents allow you to regulate internal temperature during warmer months.
Assembly Information
The high-impact polycarbonate panels are pre-cut with uniform profiles, making them simple to slide into place during assembly. Please note this greenhouse is designed without a flooring system and must be secured to a solid, level surface. The galvanised steel perimeter base includes anchor holes for securing purposes.
Delivery Information
Free delivery is available to most UK postcodes. Please check your postcode at checkout to confirm delivery eligibility for this garden structure.
Optional Upgrades
Enhance your greenhouse with a range of garden storage and accessory options, including:
- Anchor kits for securing to your base
- Two-tier potting benches
- Metal and PVC shelving systems
- Heavy-duty aluminium shelves
- Trellising kits
- Greenhouse shading kits
- Plant hangers
- Side louvre windows
Frequently Asked Questions
Does this greenhouse come with flooring? No, it’s designed without a floor. You’ll need to secure it to a solid, level surface using the anchor holes in the perimeter base.
Can I choose the door opening direction? Yes, the single door can be fitted for left or right-hand opening depending on your garden layout.
What’s included with the door? The door includes a magnetic catch and padlock fixing points, though a padlock is not supplied.
Are there other frame colours available? This Palram Canopia Harmony model is available with green, grey, or silver frame options.



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