Because holidays of commercial importance occur during the fall and winter, interiorscapers often use
____ supplied by growers for seasonal displays.
a. photonecessity plants c. short-day plants
b. day-plants d. long-day plants
Question 2____, such as Calceolaria, Cineraria and Hibiscus, need long days to trigger blooms.
a. Photonecessity plants c. Light-duration plants
b. Day-plants d. Long-day plants