The opaque color also provides a much better growing environment for young plants that can easily get dried out with a clear PVC cover

where the door may have a limited opening angle

Oxygen Absorbers (50 ct)

24" is recommended for all RIGA XL greenhouses

Alton | Greenhouse Anchoring Bracket Canpoia Carport The opaque color also providesThese 9 3 4" long angle iron anchors are designed to attach to the base of the Alton Greenhouse and then be embedded into concrete below ground level to securely anchor the greenhouse. Your Alton greenhouse will include several, but this is the option to purchase more if you are in a windy area.