Lemons go through three stages in their lifetime. In the immature stage, lemons appear green in color. Three to four months later, lemons mature and turn a vibrant yellow. This happens early to mid-summer and indicates the lemons are ready to be picked. Unpicked lemons then go into the old stage, where they over-ripen and become a faded yellow.
About this Author
Richard Bryant has been writing professionally since 2008. His work appears on various websites, including Just Ask Kim. He is pursuing a Bachelor of Arts in psychology and journalism from the University of Michigan-Flint.