Q.Thorny Lemon Tree
The 2 yr old lemon tree I planted was commercially purchased and was supposed to be a variegated pink lemon. It is now 5 yrs old and has no fruit, no variegated leaves, and has very large killer thorns! Should I cut down this tree?
Certified GKH Gardening Expert
It is likely that at some point the desirable top portion of the tree died and the rootstalk took over. Most citrus is grafted onto a more durable rootstalk, which can take over if the suckers are not removed. Rootstalk varieties rarely produce fruit.
Here is more:
https://www.gardeningknowhow.com/ornamental/trees/tgen/can-grafted-trees-revert-to-their-root-stock.htm
https://www.gardeningknowhow.com/edible/fruits/citrus/thorns-on-citrus-trees.htm