This is the 14034th most frequent Swedish word.
överlever
"Överlever" means "survives" in English.
Here, 'överlever' is used in the present tense referring to the act of surviving difficult conditions.
Hon överlever i svåra situationer.
She survives in tough situations.
'Överlever' is again in the present tense but expresses a wish or hope related to the survival of the flower through the season.
Vi hoppas att blomman överlever vintern.
We hope the flower survives the winter.
This demonstrates 'överlever' as indicative of survival due to a natural feature, again in the present tense.