Check the health of the plot in "cultivate". Carl sort of had this happen with his egg plant, and it was at 0% health. It needed to die and be replanted.
Cephalophoria's right! Once the tree hits 0% lifespan, you can't water or pet it, but you can keep harvesting until it's dead. You can also use fertilidust lite powder on it, but that's just delaying the inevitable.
Well... I think it either looks like a mutated and tortured body that has holes in it, or a tired railroad worker with holes in his body. Who's with me? .....
*Crickets*
I can definitely agree with that, except I'm not that much of a sadistic person... not that I'm calling you one, DH! I'm just bleh.... Today hasn't really been a good day for me.
Dr3w, heh, I do get kind of evil sometimes.... naw, I am not too bad. The worst I have ever done is uh.... well never mind. I hope you feel better, dude! Have a better day! :D
*Crickets*