Mary, a botanist, has hypothesized that plants live longer in colder climates. What does she need to do next to get her hypothesis accepted?

Since Mary the botanist was already able to hypothesize that plants live longer in colder climates, the next thing that she needs to do is to test her hypothesis with an experiment. In every research, a scientific method of experiment should be followed.

Test the hypothesis under different wether conditiond to accept or reject it