When citrus trees are grown in full sun, they are more stressed and, as a consequence, they are more likely to be affected by severe disease symptoms, such as from citrus greening disease.

Florida citrus was born in St. Augustine, sprouting in the 1500s from a pocketful of seeds aboard a Spanish ship, a flowery display of colonial power amid many brutal ones.

VERO BEACH, Fla. — Florida may still have the orange on its license plates. But if you want to find juice made from 100% Florida-grown oranges, you won't find it anymore under the big brand names.