Happy Halloween from Mummy Cactus!
OK, so there is no such thing as a mummy cactus.
Cephalocereus senilis also known as Old Man Cactus is a houseplant you have likely seen before, or if you are in Mexico or other desert-like climates perhaps you have him growing wild. If you do, then I’m sorry because they get quite tall (5 -20 meters) and under that pretty white hair are the sharpest spines. Youch!
It wasn’t a whole lot of fun transplanting “mummy” into his new pot, but as soon as I saw him all I could see was this guy:
Source: free Printable Coloring Pages
If you have an Old Man Cactus, provide well draining soil and lots of bright sunlight. You can clean the hair with a gentle brush, but it’s best to not let it get dirty in the first place. Treat him well for 10-20 years and he may just flower, although it’s unlikely as a houseplant.