Originally they came from China with peaches, and Oranges. Today a lot of lemons are grown all over the world. Italy and in Central California are big producers of lemons.
Canada imports lemons from mexico
Greece
no limes come from lime trees lemons come from lemon trees.
Countries that have a Mediterranean like climate E.g Spain or Portugal or Italy or South Africa or Argentina California and most of Australia. Cool and Dry places are not suitable to grow lemons.
Spain
With lemons
As lemons come in several sizes and heaviness, it is not possible to give an answer.
Lemons juice.
I believe they come from India...
uganda
India
Lemonade comes from lemons