Hmmmm... plant lavender and get a cat, according to this:
How to Naturally Deter Scorpions: 7 steps - wikiHow
And then, from another source:
Humans are certainly a big predator of the Scorpion. In some locations such as China they are a big part of the food creation process. Skewers of them mixed with various fruits and vegetables is seen as a delightful dish in many areas. Of course it would take quite a few of them to be able to offer enough of this dish.
Due to the fact that most humans are absolutely not willing to put up with them is why they are being destroyed. First, they often upset the natural habitat such as when they are taking part in construction efforts.
When they do spot the Scorpion they are doing all they can to exterminate them.
They may use pesticides or call in the professionals to take care of them. These chemicals are very dangerous though and they rarely work. 
In fact, humans are creating a worse living condition for themselves by using them.
Scorpion Predators