How should I prepare the ground?

If you want to place your greenhouse directly on the ground, you need to clear it of any obstacles beforehand. You should rake the ground as flat as possible and then pound it well before starting assembly. Obviously, one does not want the construction to sink too far into the ground when installed. Next, lay the profiles level (using a spirit level) and fix the corners by inserting foundation-anchors into the ground. Once the greenhouse is assembled, and after a few days, pour some fast-setting concrete around the provided ground anchors, to ensure extra firmness.