A gardener in Canada wants to surprise his mother on her birthday and make her favorite hibiscus bush flower in May instead of at the end of June. The bush is growing in the greenhouse. Which of the following treatments is most likely to make the hibiscus bush flower early?

Question

Quizplus · Accepted Answer

Turning on the greenhouse lights before dawn in March or April can simulate longer daylight hours, which can encourage the hibiscus bush to flower earlier than its natural cycle. This technique, known as photoperiod manipulation, is commonly used to control flowering times in plants.

A Gardener in Canada Wants to Surprise His Mother on Her