Is Four Oclock Flower A Perennial. A garden plant M. Other names for this flower are Marvel of Peru or lady-of-the-night.
Can you grow Four OClocks in containers. Department of Agriculture hardiness zones 10 and above which means that four oclock may survive temperatures as low as 30 degrees Fahrenheit with proper. Feb 19 2016 Although often treated as an annual four oclock is actually a tender perennial that produces tuberous roots.
Four OClocks are long-lived durable perennials that begin flowering in late spring and will continue flowering until the first frost.
Department of Agriculture hardiness zones 10 and above which means that four oclock may survive temperatures as low as 30 degrees Fahrenheit with proper. Drought resistantdrought tolerant plant xeric. Seems to be a very hard perennial here with a long thin tap root. Thats why you may want to dig up the roots in fall after frost has killed back the foliage.