This lobivia arachnacantha I have seems to be turning green. I'm new to caring for cacti and this seems a bit odd. I currently keep this guy inside of a little greenhouse I bought from Ikea. Any information about it would be greatly appreciated.

Thanks,
Aurora

Thank you so much for helping me identify this little guy! I was wondering how and when this cactus blooms, and if I should be doing anything in particular to help it along?

I purchased this little guy at a grocery store. Anyone know what type of cactus this is? Thank you in advance!

Aurora