How do plants know when it’s time for flowers to bloom?

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How are they able to determine the time of year and when to bloom or shed their leaves?

In: Biology

3 Answers

Anonymous 0 Comments

It’s usually based on the length of the day/hours of sunlight. As the days grow longer or shorter throughout the year, this activates signals in the plant to grow, bloom, shed leaves, etc.

That’s why you can influence… *certain* plants to flower indoors by manipulating the light cycle from something 18 hours (“summertime”) down to like 12 hours and make them flower.

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