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Product Range
Our Rion Review
A reasonable middle-ground pick for a buyer who wants a walk-in polycarbonate greenhouse with a rust-proof resin frame and easy pin-and-lock assembly, and who is willing to shop around on price. Skip it if you want a clear-glass look, the absolute lowest price where a thin single-wall Palram or big-box kit is cheaper, or heavy-gauge aluminum for extreme weather, and always compare the same model across retailers before ordering.
Rion sells only through retailers and prices swing hard between them. At Planet Greenhouse in July 2026: EcoGrow 2 from $1,739 (6x6) to $2,649 (6x12), Hobby Gardener 2 from $2,699 (8x8) to $5,099 (8x20), Grand Gardener 2 from $3,149 (8x8) to $5,999 (8x20), the Sun Room 2 lean-to from $1,879 (6x6) to $4,999 (8x20), and Prestige 2 from $4,349 (8x8) to $8,699 (8x20 clear). Discounters run far below that: Sheds Direct listed the EcoGrow 2 6x6 at $1,189.95 and the Grand Gardener 2 8x20 at $4,099.95 on closeout. Base kits are separate, $269 to $659 by size, so always compare the same model number across retailers before ordering.
Planet Greenhouse, Rion collection (full range), cross-checked at Sheds Direct · Verified July 2026
Before you buy Rion
These are the fastest buyer pages to read next if this brand is on your shortlist.
Start with the best greenhouses roundup
The fastest way to narrow the right lane, budget, and glazing before you go deep on a brand.
Check the real all-in costs
Budget for the structure, base, anchoring, ventilation, and the power runs buyers miss.
Glass or polycarbonate for your climate
Match the glazing to your climate, hail risk, and how you will use the greenhouse before you commit to a brand.
The Rion review
Model-by-model prices, separate base costs, weather limits, assembly reality, and the point where a heavier frame wins.
Palram and Canopia reviewed
Compare Rion with the wider Canopia range and the aluminium mid-market alternatives.
What size greenhouse do you need
Size it to what you grow and your climate before you commit to a model, and buy one step up.
The greenhouse buying guide
The full decision path: budget, glazing, size, base, shortlist, and what to ask before you sign.
From Rion
Official product imagery and links from the brand.
Images courtesy of Rion.
Strengths & Considerations
Strengths
- +Sturdy resin frame that will not rust or corrode, with a simple pin-and-lock assembly system
- +Twin-wall polycarbonate roof panels that diffuse light and add insulation, with clear side-wall options on the Grand Gardener for a brighter look
- +Walk-in headroom with roof vents and double doors, and higher models bundle benches and irrigation kits
- +Made by Palram/Canopia, a large established polycarbonate-greenhouse manufacturer, and supported in the US through Poly-Tex
- +Widely available through many US retailers and Amazon, often with free shipping, and a clear step up from thin single-wall entry kits
Watch Out For
- −Pricing varies widely by retailer, and specialty sellers list the walk-in models well above big-box or Amazon pricing, so it pays to compare
- −The clear side panels are not glass and can scratch or haze over the years, and the twin-wall roof is translucent rather than see-through
- −Like most kit greenhouses, assembly is a multi-hour, two-person job, and the resin frame, while rust-proof, is less rigid than heavy aluminum in extreme wind
Before You Buy: Confirm These
These are Rion's own documented terms and open questions, not our own test results. Confirm the specifics in writing before you order.
- ?Anchor the greenhouse to a level, prepared foundation and fasten it well, since kit greenhouses are most at risk from wind
- ?Compare the same model across several retailers, since Rion prices differ a lot and the manufacturer sells only through dealers
- ?Confirm the exact warranty length and who honors it, the dealer or Poly-Tex, and check the panel type, clear versus twin-wall, matches your light and insulation needs
Alternatives to Compare
Palram Applications (Canopia)
mid rangeA sensible pick for budget-minded and first-time growers who want an inexpensive, retail-available kit and are comfortable with DIY assembly and modest insulation. Buyers in windy or snowy areas, or anyone wanting long-term durability and warmth, should either upgrade to a twin-wall model like Mythos or Glory or look at a sturdier brand; do not treat the thin single-wall entry kits as a permanent, storm-proof structure.
Planta Greenhouses
mid rangePlanta is the kit brand that answers the question most of the lane dodges: what is it rated to carry. 75 psf of snow and 65 mph of wind is a real engineered number, on a galvanised steel frame with 6 mm double-wall polycarbonate and a 10-year warranty, at $2,250 to $6,100 for the kit. If you garden anywhere with real winter, that rating matters more than anything else on the spec sheet. What it is not is a glasshouse: polycarbonate diffuses light and the bell shape is functional rather than pretty.
Comparing a few brands?
Tell us your space and budget. We'll tell you whether Rion or one of these fits you better, and check your quote so you don't overpay.
Why Consider Rion?
Rion is Palram/Canopia's entry hobby line, resin frames with twin-wall polycarbonate. Cheaper and lighter than the aluminium Canopia range, and a real step up from no-name flat-pack kits, but still an entry-level structure that needs a solid, anchored base. Verify current models and warranty at write time.
Key Models
Support & Warranty
Canopia by Palram, which makes the Rion lines, states in its own product-page FAQ that the warranty on all its greenhouses is at least 5 years, some longer, and retailer listings for the Grand Gardener 2 show a 7 year limited warranty. The exact term is still not published consistently per model, so get the warranty length and what it covers, frame versus panels, in writing for your specific model before ordering. Claims start with the selling retailer, so keep proof of purchase and buy from a dealer you can reach.
FAQ
Is Rion worth it in 2026?
A reasonable middle-ground pick for a buyer who wants a walk-in polycarbonate greenhouse with a rust-proof resin frame and easy pin-and-lock assembly, and who is willing to shop around on price. Skip it if you want a clear-glass look, the absolute lowest price where a thin single-wall Palram or big-box kit is cheaper, or heavy-gauge aluminum for extreme weather, and always compare the same model across retailers before ordering.
How much do Rion greenhouses cost?
Rion greenhouses run from about $1,189 up to about $8,699 based on current pricing on Planet Greenhouse, Rion collection (full range), cross-checked at Sheds Direct as of July 2026. Rion sells only through retailers and prices swing hard between them. At Planet Greenhouse in July 2026: EcoGrow 2 from $1,739 (6x6) to $2,649 (6x12), Hobby Gardener 2 from $2,699 (8x8) to $5,099 (8x20), Grand Gardener 2 from $3,149 (8x8) to $5,999 (8x20), the Sun Room 2 lean-to from $1,879 (6x6) to $4,999 (8x20), and Prestige 2 from $4,349 (8x8) to $8,699 (8x20 clear). Discounters run far below that: Sheds Direct listed the EcoGrow 2 6x6 at $1,189.95 and the Grand Gardener 2 8x20 at $4,099.95 on closeout. Base kits are separate, $269 to $659 by size, so always compare the same model number across retailers before ordering.
Who is Rion best for?
First-time and budget buyers who want a tidy small polycarbonate greenhouse that outlasts a cheap aluminium kit.
What should buyers watch out for with Rion?
Anchor the greenhouse to a level, prepared foundation and fasten it well, since kit greenhouses are most at risk from wind
What brands should you compare against Rion?
Most buyers should compare Rion with Palram Applications (Canopia) and Planta Greenhouses before deciding. That gives you a better read on price, support, and where the brand actually fits.
How strong is Rion on warranty and support?
Canopia by Palram, which makes the Rion lines, states in its own product-page FAQ that the warranty on all its greenhouses is at least 5 years, some longer, and retailer listings for the Grand Gardener 2 show a 7 year limited warranty. The exact term is still not published consistently per model, so get the warranty length and what it covers, frame versus panels, in writing for your specific model before ordering. Claims start with the selling retailer, so keep proof of purchase and buy from a dealer you can reach.
Sources (6) · Verified Jul 25, 2026
Methodology
Brand verdicts are based on buyer fit, build quality, support path, price pressure, and the risks that tend to show up after delivery. A strong reply from a manufacturer can improve factual clarity, but it does not improve placement.
If support coverage, warranty language, or dealer access are thin, we would rather say that plainly than hide it behind marketing copy.
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