Its a recent addition? overwatering is a good guess, but it might just be adjusting from green house conditions to your location
make sure you let the top 1" dry out before you water it.
The plural of anecdote is not data.
The plural of bozos is Dasilyl - so please don't engage with my website troll who typically caches my first post and responds ugly just to be nasty. If it gets upity, please ignore it.