Four Oclock Flowers Growing Zone. To determine if a plant is sufficiently cold hardy the USDA created numbered zones indicating winter low temperatures. Drought resistantdrought tolerant plant xeric.
The lower the zone number the colder the winter. White-lined sphinx moths are quite generalist in their feeding habits with adults visiting a wide variety of flowers and the larvae eating many types of plants as opposed to just one. Wild Four Oclock is a magnificent native wildflower that blooms all summer with magenta-pink flowers that open in the afternoon.
They are then replanted in the spring.
In borderline climates of zones 8 and 9 four oclock is often winterized in the ground. They are then replanted in the spring. Plants often self-sow so allow some spent flowers to go to seed. Sep 01 2014 Choose a sunny location.