Main care requirements include keeping the plants consistently moist, providing full sun, feeding them throughout the growing season, and pruning to maintain health. They are hardy in zones 9-11.

Four o'clock plants (Mirabilis jalapa) truly live up to their name. They got their moniker from the fact that their flowers don't open until late afternoon and last into the night. The plants are also ...

To ensure that plants flower at the right time of year, they possess an internal clock that enables them to measure the amount of daylight during a day. In a study published in the journal Plant ...

To ensure that plants flower at the right time of year, they possess an internal clock, which enables them to measure the amount of daylight during a day. Biologists now describe that the mutation of ...