The national average for a dozen roses this Valentine's Day is $90.50 ... beautiful bloom shapes, and long vase life," Penn said. "Beyond aesthetics, breeders focus on ensuring the roses are ...

At the online seller 1800flowers.com, a dozen long-stemmed red roses in a vase will cost you $79.99, while they'll leave you lighter by $99.95 through Teleflora. Those companies and online sellers ...