Q.grapefruit tree
I have an red grapefruit tree about 3 years old in Jacksonville fl got a couple grapefruit off of it last year picked must of them off being only 2 years old in feb this year it bloomed and how has 15 or more grapefruit its end of april should I leave them on or take them off ??
In the 2nd year your tree may start producing small crops. You can leave them or remove them.
You will have the first real crops beginning in the 5th year.
Make sure you water and feed regularly to ensure a healthy tree.
https://www.gardeningknowhow.com/edible/fruits/grapefruit/growing-grapefruit.htm