A garden with edge borders filled with different kinds of red flowers - Jacky Parker Photography/Getty Images Have you wondered why hummingbird feeders are usually red? It's because red flowers often ...

Everyone's knee-jerk reaction for color-coding the flower arrangements for special events is red for Valentine's Day and white for funerals. While we're more than happy to get a bountiful bouquet of ...

Adrian Dyer previously received funding from The Australian Research Council. Klaus Lunau previously received funding from the Deutsche Forschungsgemeinschaft. For flowering plants, reproduction is a ...