why is my lemon tree growing thorns?

Question

I am growing a lemon tree from a seed of my lemons and it is about 20 inch high and I notice it has thorns growing on it. Why??

Answer 1

Here is an article that will explain this thorny phenomenon:

https://www.gardeningknowhow.com/edible/fruits/citrus/thorns-on-citrus-trees.htm