Most citrus trees ripen between late winter and early summer. Navel oranges, blood oranges, mandarins and tangerines and meyer lemons begin to ripen in late winter. Grapefruits ripen from spring to summer.
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In Jacksonville, Fla., Frank Whittemore is a content strategist with over a decade of experience as a hospital corpsman in the U.S. Navy and a licensed paramedic. He has over 15 years experience writing for several Fortune 500 companies. Whittemore writes on topics in medicine, nature, science, technology, the arts, cuisine, travel and sports.