Are Four O’Clocks Perennials? Discover Their Persistence!
Are Four O’Clocks Perennials? Yes, Four O’Clocks are perennial plants, but they are tender perennials that are hardy in Zones 7-10. In the US, they are generally grown as annuals. They are native to tropical South America and can grow up to 2-3 feet tall, producing flowers in various colors. Four O’Clocks open late in…
