Help me save my indoor lemon tree

I had a few indoor lemon trees.  They were in the window, getting 4-5 hours of sun.  They don’t seem to get past 7 inches high then the tops turn brown and they die.  I have one left.  What should…

Fern not so hot! It’s an Areca palm

Just was wondering if you could see why my fern is looking the worst for wear.  I know humidity is a big factor.  I’m going to buy a spray bottle today, but other than that I’m not sure what to…