Bloke Down The Pub wrote:

20 odd years ago I planted grafted mandarins, which promptly died,
however the root stocks flourished and I now have 2 of the most
vicious lemon trees, with upto 3 inch thorns and no matter now severe
I prune them they up and grow again the next year and always bear
fruit


Mike


Sounds like you should just figure out something to do with lemons. lol!