Greenhouse kit prices checked November 12, 2026 →Prices checked Nov 12, 2026 →How we score

Palram Mythos 6x8 vs Outsunny 6x8

Palram Mythos 6x8 wins this one, 8.9/10 against 8.2/10, mainly on snow rating and warranty. Choose the Outsunny 6x8 if price per square foot matters more to you.

Pick the Palram Mythos 6x8 if

  • You get snow: rated 15.4 lb/ft² against 8.2 lb/ft²
  • Your yard is windy: 56 mph against 27 mph
  • You want headroom: 6'10" at the peak against 6'7"
  • You want a longer warranty: 5-year against not stated

Pick the Outsunny 6x8 if

  • You want to spend less: $381.99 against $889
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Palram Mythos 6x8 vs Outsunny 6x8
GreenhousePalram Mythos 6x88.9/10Outsunny 6x88.2/10
Price$889$381.99
Size6' x 8' · 49.1 sq ft6.2' x 8.3' · 51.5 sq ft
Price per sq ft$18.11/sq ft$7.42/sq ft
Panels4 mm polycarbonate4 mm polycarbonate
Glazing detail4 mm twin-wall polycarbonate on the roof and all walls4 mm polycarbonate panels, UV-blocking
FrameAluminumAluminum
Peak height6'10" peak6'7" peak
DoorSingle hinged door, lockable handle, magnetic catchSliding door, 23.5 in wide x 63.5 in high
Snow load15.4 lb/ft²8.2 lb/ft²
Wind rating56 mph27 mph
VentilationOne adjustable roof ventOne roof vent, 23.75 x 23.5 in
BaseBase includedBase included
Warranty5-yearNot stated
AvailabilityAvailable to order onlineAvailable to order online (Aosom)
Sold byPlanet GreenhouseAosom
BuySee price See price

✓ marks the better figure. Prices checked November 12, 2026 on the sellers' US pages.

Price and space

On the day we checked, the Palram Mythos 6x8 cost $889 at Planet Greenhouse for 49.1 sq ft, and the Outsunny 6x8 $381.99 at Aosom for 51.5 sq ft. That is $507.01 more for the Palram Mythos 6x8, or $18.11 against $7.42 per square foot. For the Outsunny 6x8: Sale price against $432.99 listed on Aosom.

Panels, snow and wind

The Palram Mythos 6x8 uses 4 mm twin-wall polycarbonate on the roof and all walls; the Outsunny 6x8 4 mm polycarbonate panels, UV-blocking. On panels, they are close.

For weather, the Palram Mythos 6x8 lists 15.4 lb/ft² of snow and 56 mph; the Outsunny 6x8 8.2 lb/ft² of snow and 27 mph.

Headroom, doors and airflow

The Palram Mythos 6x8 peaks at 6'10" with 48.8 in walls; the Outsunny 6x8 at 6'7". Doors: single hinged door, lockable handle, magnetic catch on the Palram Mythos 6x8, sliding door, 23.5 in wide x 63.5 in high on the Outsunny 6x8. For ventilation, the Palram Mythos 6x8 has one adjustable roof vent, and the Outsunny 6x8 one roof vent, 23.75 x 23.5 in.

Base, warranty and delivery

Palram Mythos 6x8: Heavy-duty galvanized steel base included (Planet Greenhouse). Outsunny 6x8: Reinforcing galvanized steel base included. Warranty: 5-year limited warranty (Palram-Canopia, per the dealer and canopia.com). No term stated for the Outsunny 6x8.

Our verdictPalram Mythos 6x8 wins this one, 8.9/10 against 8.2/10, mainly on snow rating and warranty. Choose the Outsunny 6x8 if price per square foot matters more to you. Read the full Palram Mythos 6x8 review and Outsunny 6x8 review.

Quick answers

Which is better, the Palram Mythos 6x8 or the Outsunny 6x8?
On our formula, the Palram Mythos 6x8: 8.9/10 against 8.2/10. The Outsunny 6x8 is the better pick if price per square foot is your priority.
Which is cheaper, the Palram Mythos 6x8 or the Outsunny 6x8?
The Outsunny 6x8: $381.99 against $889 on the day we checked, and also cheaper per square foot.
Which handles snow better?
The Palram Mythos 6x8: 15.4 lb/ft² against 8.2 lb/ft².
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Every price was read on November 12, 2026 on the maker's or dealer's own page.

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