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Around 5 years but if the soil isn't nutritious enough the won't fruit at all. Well done for keeping them growing for 2 years :)

Thanks, I will be anxious wait 3 more years. It was easier than I thought. Have a nice day.

Grapefruit take a minimum of 10 years!! :O

Are citrus trees self-pollinating?

Not all of them. Most benefit from two trees growing close together

I there a way to tell? I just started these from seeds and I am not sure of their species, my best guess is that they are meyer lemons.

I'm sure there is but I grow from food waste so it's pot luck for me