Alternatives to the Palram Canopia Mythos 6x8 Grey Polycarbonate Greenhouse
We last saw the Palram Canopia Mythos 6x8 Grey Polycarbonate Greenhouse at £449 for 4.6 m² of floor space. These 5 models come in a similar size and price bracket. We sort them by how close they are, not by commission.
| Palram Canopia Mythos 6x8 Grey Polycarbonate Greenhouse | Palram Canopia Hybrid 6x8 Green Polycarbonate Greenhouse | Palram Canopia Harmony 6x10 Grey Greenhouse Clear Polycarbonate | Halls Popular 6x8 | Vitavia Venus 5000 6x8 | Vitavia Ida 3300 4x8 | |
|---|---|---|---|---|---|---|
| Price | £449 | £519 | £627 | £503 | £509 | £449 |
| Size | 6 x 8 ft (1.9 x 2.5 m) | 6 x 8 ft (1.9 x 2.5 m) | 6 x 10 ft (1.9 x 3.1 m) | 6 x 8 ft (1.9 x 2.6 m) | 6 x 8 ft (1.9 x 2.6 m) | 4 x 8 ft (1.3 x 2.6 m) |
| Floor area | 4.6 m² | 4.6 m² | 5.7 m² | 4.9 m² | 5 m² | 3.3 m² |
| Glazing | Polycarbonate | Polycarbonate | Polycarbonate | Glass, 3 mm | Glass, 3 mm | Glass, 3 mm |
| Vents | 1 | 1 | 1 | 1 | 1 | 1 |
| Base included | Yes | Yes | Yes | No | No | No |
| Guarantee | 5 years | 5 years | 5 years | 12 years | 12 years | 12 years |
| Score | 6.5 / 10 | 7 / 10 | 6.5 / 10 | 6 / 10 | 6 / 10 | 5 / 10 |
Palram Canopia Hybrid 6x8 Green Polycarbonate Greenhouse
£70 dearer, higher score
The Hybrid pairs clear single-wall polycarbonate sides with a twin-wall polycarbonate roof on a green powder-coated aluminium frame. A galvanised steel base, gutters and one roof vent come included, and Palram gives a 5 year frame warranty.
Best for: Gardeners who want a no-glass greenhouse for summer crops that still keeps the frost off in winter
Palram Canopia Harmony 6x10 Grey Greenhouse Clear Polycarbonate
£178 dearer, 1.1 m² more floor space
The 6x10 Harmony gives you 310 cm of length under clear single-wall polycarbonate, on a grey aluminium frame with a galvanised steel base and gutters. It has one roof vent.
Best for: Tomato and cucumber growers who want space and light without glass
Halls Popular 6x8
£54 dearer, glass, 12-year guarantee
The Halls Popular 6x8 is the standard aluminium and horticultural glass greenhouse you see in British gardens. It comes with 3 mm short-pane glass, a sliding door, one roof vent and gutters, and Halls gives a 12 year warranty.
Best for: Gardeners who want a traditional glass greenhouse for tomatoes, cucumbers and seed raising
Vitavia Venus 5000 6x8
£60 dearer, glass, 12-year guarantee
The Venus 5000 is a 6x8 in anodised aluminium with 3 mm horticultural glass in 610 x 610 mm panes. It has a sliding door, one roof vent and gutters, with a 12 year warranty.
Best for: First-time glass greenhouse buyers who want a 6x8 for tomatoes and seedlings at a fair price
Vitavia Ida 3300 4x8
about the same price, 1.3 m² less floor space, glass
The Ida 3300 is an 8ft long, 130 cm deep lean-to in anodised aluminium with 3 mm horticultural glass, double sliding doors and one roof vent. It stands 222 cm tall at the wall.
Best for: A south or west-facing house wall where you want a glass lean-to for tomatoes and overwintering
Prices change often, and the retailer shows the current one. We earn a small commission if you buy through these links, and you pay the same. More on that.
The alternatives at a glance

Clear sides for light, twin-wall roof for warmth

A long clear greenhouse for a summer of tomatoes
The classic British 6x8 glass greenhouse
A well-priced 6x8 glasshouse with large panes
A glass lean-to with double doors