She won thanks to her alliance with the tributes of District 2 and her partner and her natural ability to use spears. Yet she only knew how to use basic weapons, but she learned very fast to use them. During the bloodbath, she killed three tributes, and killed two more people later in the Games.
However, many people hated her during the Games and after she won since it wasn't hard at all to win, as it was practically raining sponsors for her since she was so beautiful.
District 1 received an orchard since the winner that year's name was named after a flower as their District Gift. Since many people liked Orchid for her looks, it is probable that she was sold into prostitution by the Capitol.