Palram Canopia Mythos 6x8 Greenhouse
Palram Canopia's Mythos 6x8 is a compact, budget-friendly polycarbonate greenhouse that prioritizes easy assembly and a small footprint for urban and suburban gardeners. Compared with larger or more heavy-duty models in this list, it trades square footage for lower cost and simpler maintenance while still offering superior light diffusion and weather resistance versus basic single-wall alternatives.
Compact footprint — patio-friendly
Twin-wall insulation — toasty plants
Compact footprint — patio-friendly
Twin-wall insulation — toasty plants
Review Summary
"Buyers generally praise the Palram Canopia Mythos 6x8 for its attractive aluminum frame, good light transmission and solid sturdiness, though a few report fiddly assembly and some seal/condensation issues over time."
Aluminum frame — rust-proof swagger
Aluminum frame with durable twin-wall polycarbonate panels for long-lasting clarity and insulation
Aluminum frame — rust-proof swagger
Aluminum frame with durable twin-wall polycarbonate panels for long-lasting clarity and insulation
Aesthetic & Personal Appeal
Recreational Enjoyment
Enhanced Physical Well-Being
Palram Canopia's Mythos 6x8 is a compact, budget-friendly polycarbonate greenhouse that prioritizes easy assembly and a small footprint for urban and suburban gardeners. Compared with larger or more heavy-duty models in this list, it trades square footage for lower cost and simpler maintenance while still offering superior light diffusion and weather resistance versus basic single-wall alternatives.
Compact footprint — patio-friendly
Twin-wall insulation — toasty plants
Aluminum frame — rust-proof swagger
Aluminum frame with durable twin-wall polycarbonate panels for long-lasting clarity and insulation
Steep peaked roof gives extra headroom and efficient rain/snow runoff
Compact footprint — patio-friendly
Twin-wall insulation — toasty plants
Aluminum frame — rust-proof swagger
Aluminum frame with durable twin-wall polycarbonate panels for long-lasting clarity and insulation
Steep peaked roof gives extra headroom and efficient rain/snow runoff
Rion Grand Gardener 8x12 Clear Greenhouse
Rion's Grand Gardener 8x12 Clear is a robust, mid-to-large polycarbonate greenhouse designed for season extension with high-clarity panels and a durable resin frame that resists wear and impact. It commands a premium over compact consumer models like the Palram Mythos and Essence for the added structural strength and light transmission, making it a better long-term investment for gardeners who need performance close to commercial standards.
Roomy interior — plant party
Unbreakable resin — storm-proof grin
Roomy interior — plant party
Unbreakable resin — storm-proof grin
Review Summary
"Users of the Rion Grand Gardener 8x12 highlight its virtually unbreakable polycarbonate/resin construction, excellent wind/snow performance and roomy interior; negatives are occasional glazing condensation and the larger-than-expected assembly effort."
Smart vents — breezy control
Impact-resistant multi-wall polycarbonate panels with UV protection for year-round use
Smart vents — breezy control
Impact-resistant multi-wall polycarbonate panels with UV protection for year-round use
Recreational Enjoyment
Time-Saving Convenience
Eco-Friendly Living
Rion's Grand Gardener 8x12 Clear is a robust, mid-to-large polycarbonate greenhouse designed for season extension with high-clarity panels and a durable resin frame that resists wear and impact. It commands a premium over compact consumer models like the Palram Mythos and Essence for the added structural strength and light transmission, making it a better long-term investment for gardeners who need performance close to commercial standards.
Roomy interior — plant party
Unbreakable resin — storm-proof grin
Smart vents — breezy control
Impact-resistant multi-wall polycarbonate panels with UV protection for year-round use
Steel-reinforced frame and engineered connections for higher wind and snow resistance
Roomy interior — plant party
Unbreakable resin — storm-proof grin
Smart vents — breezy control
Impact-resistant multi-wall polycarbonate panels with UV protection for year-round use
Steel-reinforced frame and engineered connections for higher wind and snow resistance
$1,800-2,800 CAD
Palram Canopia Essence 8x12 Twin Wall Greenhouse
The Palram Canopia Essence 8x12 Twin Wall greenhouse emphasizes thermal efficiency and usable space with twin-wall polycarbonate panels that improve insulation and UV protection. Against the smaller Mythos it provides much more growing area and better heat retention, while remaining more affordable and easier to site than the larger or more heavy-duty Rion and Planta models, offering a strong value-for-performance balance for serious hobbyists.
High peak roof — tall crops
Twin-wall warmth — energy hug
High peak roof — tall crops
Twin-wall warmth — energy hug
Review Summary
"Owners find the Palram Canopia Essence 8x12 Twin Wall well-insulated and light-diffusing with a premium look and good value, but many note that instructions and hardware fit can complicate long assemblies and occasional weather-related seal wear."
Wide door access — VIP entry
6 mm twin-wall polycarbonate panels that balance insulation, light diffusion, and durability
Wide door access — VIP entry
6 mm twin-wall polycarbonate panels that balance insulation, light diffusion, and durability
Aesthetic & Personal Appeal
Eco-Friendly Living
Time-Saving Convenience
The Palram Canopia Essence 8x12 Twin Wall greenhouse emphasizes thermal efficiency and usable space with twin-wall polycarbonate panels that improve insulation and UV protection. Against the smaller Mythos it provides much more growing area and better heat retention, while remaining more affordable and easier to site than the larger or more heavy-duty Rion and Planta models, offering a strong value-for-performance balance for serious hobbyists.
High peak roof — tall crops
Twin-wall warmth — energy hug
Wide door access — VIP entry
6 mm twin-wall polycarbonate panels that balance insulation, light diffusion, and durability
Anodized aluminum frame with roof vents and a full-height door for simple climate control
High peak roof — tall crops
Twin-wall warmth — energy hug
Wide door access — VIP entry
6 mm twin-wall polycarbonate panels that balance insulation, light diffusion, and durability
Anodized aluminum frame with roof vents and a full-height door for simple climate control
Planta Sungrow 10x20 Greenhouse
The Planta Sungrow 10x20 is a large, semi-commercial polycarbonate greenhouse built for growers who need maximum workspace, scalable ventilation, and heavy-duty framing for higher throughput. It delivers the best cost per square foot and work capacity in this lineup, outperforming smaller consumer models in area and operational efficiency, though hobby gardeners may find its upfront cost and assembly complexity unnecessary.
Large footprint — greenhouse ballroom
Heavy-duty frame — steadfast stance
Large footprint — greenhouse ballroom
Heavy-duty frame — steadfast stance
Review Summary
"Feedback on the Planta Sungrow 10x20 is mixed: reviewers appreciate the large growing area and value for price, but frequently mention challenging assembly, inconsistent parts quality, and some durability concerns in harsh weather."
Sun-optimized panels — solar buffet
Large-span structure with thick polycarbonate glazing designed for commercial or high-yield growing
Sun-optimized panels — solar buffet
Large-span structure with thick polycarbonate glazing designed for commercial or high-yield growing
Enhanced Physical Well-Being
Recreational Enjoyment
Eco-Friendly Living
The Planta Sungrow 10x20 is a large, semi-commercial polycarbonate greenhouse built for growers who need maximum workspace, scalable ventilation, and heavy-duty framing for higher throughput. It delivers the best cost per square foot and work capacity in this lineup, outperforming smaller consumer models in area and operational efficiency, though hobby gardeners may find its upfront cost and assembly complexity unnecessary.
Large footprint — greenhouse ballroom
Heavy-duty frame — steadfast stance
Sun-optimized panels — solar buffet
Large-span structure with thick polycarbonate glazing designed for commercial or high-yield growing
High ceilings and extensive ventilation (including roll-up sides or multiple vents) for climate management
Large footprint — greenhouse ballroom
Heavy-duty frame — steadfast stance
Sun-optimized panels — solar buffet
Large-span structure with thick polycarbonate glazing designed for commercial or high-yield growing
High ceilings and extensive ventilation (including roll-up sides or multiple vents) for climate management
$3,000-5,500 CAD
Rion Prestige 8x8 Greenhouse
Rion's Prestige 8x8 focuses on premium build quality in a compact footprint, pairing reinforced panels and a stiff frame to deliver excellent wind and snow tolerance for small but demanding sites. Compared with the larger Grand Gardener and Planta Sungrow, Prestige sacrifices floor area for superior materials and longevity, making it a market-leading choice for serious hobbyists who value structural durability over maximum capacity.
Polished look — backyard chic
Low-maintenance panels — wipe-clean joy
Polished look — backyard chic
Low-maintenance panels — wipe-clean joy
Review Summary
"The Rion Prestige 8x8 is widely viewed as a top-tier, very sturdy greenhouse with excellent longevity, insulation and ease of use; criticisms are few and mostly about the higher price and occasional shipping/packaging damage."
Built-in water gutters — rainwise
Premium multi-wall polycarbonate panels with full UV protection and superior thermal performance
Built-in water gutters — rainwise
Premium multi-wall polycarbonate panels with full UV protection and superior thermal performance
Aesthetic & Personal Appeal
Time-Saving Convenience
Enhanced Physical Well-Being
Rion's Prestige 8x8 focuses on premium build quality in a compact footprint, pairing reinforced panels and a stiff frame to deliver excellent wind and snow tolerance for small but demanding sites. Compared with the larger Grand Gardener and Planta Sungrow, Prestige sacrifices floor area for superior materials and longevity, making it a market-leading choice for serious hobbyists who value structural durability over maximum capacity.
Polished look — backyard chic
Low-maintenance panels — wipe-clean joy
Built-in water gutters — rainwise
Premium multi-wall polycarbonate panels with full UV protection and superior thermal performance
Robust reinforced frame with snap-fit assembly and wide double-door access
Polished look — backyard chic
Low-maintenance panels — wipe-clean joy
Built-in water gutters — rainwise
Premium multi-wall polycarbonate panels with full UV protection and superior thermal performance
Robust reinforced frame with snap-fit assembly and wide double-door access
$1,800-2,700 CAD