In the run up to Feb. 14, agricultural specialists at Miami International Airport have processed about 940 million stems of cut flowers, according to U.S. Customs and Border Protection. Around 90% of the fresh cut flowers being sold for Valentine's Day in the United States come through Miami, while the other 10% pass through Los Angeles.

Around 90% of the fresh cut flowers being sold for Valentine’s Day in the United States come through Miami, while the other 10% pass through Los Angeles.

Tens of millions of flowers are arriving in the U.S. ahead of Valentine's Day, and imports from South America are a big part of the industry.