If you garden on heavy clay soil, plant in a raised bed to ensure adequate drainage.

He then excavated the basement from a clay hillside but failed to put in adequate drainage or shore up the walls, with the result that it flooded and then collapsed.

Of course, adequate drainage should have been installed.

For caliche subsoil, break a hole through it so the plant has adequate drainage.

The major drawbacks are the lack of good shelter, adequate drainage, and access to electricity.