Grapefruits are grown in countries throughout the world including the United States, Israel, Spain, Greece, Brazil and Cuba. However, the United States is the world's number one producer. Grapefruits grow on trees in clusters, just as grapes- that's where they got their name!
Quantity Grapefruit Recipes from the USDA Mixing Bowl.
Commodity Fact Sheets: Citrus Fruits (PDF | 411KB)
California Foundation for Agriculture in the Classroom.
Information on history, varieties, nutritional value and the production of citrus fruits. Also includes lesson ideas, fun facts and a short lesson plan with activities.