I consistently read in non-scientific resources that I have to put my rosemary to low temperature (about 10°C) in winter (unless I don't want it to freeze). I googled, but I fail to find a scientific resource about why room temperature is not good for it. Do you have any explanation (with scientific references ofc.)?

  • $\begingroup$ can you provide any reference to the article where you got the info?...cause your q is not too clear...like, in winter you want to keep the plant in low temperature, in order not to freeze it....it's ridiculous... $\endgroup$ – souvik bhattacharya Nov 16 '14 at 15:37
  • $\begingroup$ @souvikbhattacharya It doesn't freeze by 10°C, which is lower than standard room temperature 20°C. What don't you understand? $\endgroup$ – inf3rno Nov 16 '14 at 17:03
  • $\begingroup$ Either the rosemary is a naturally cold-weather plant and just prefers colder temperatures, or the plant needs cold weather to trigger winter behavior. Some plants need to hibernate during the cold months. $\endgroup$ – Resonating Nov 16 '14 at 17:23
  • $\begingroup$ @JeremyKemball What if I don't trigger the winter behavior? Ohh actually that is the main question as well... $\endgroup$ – inf3rno Nov 16 '14 at 17:37
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    $\begingroup$ As a bioassay, I have for years seen rosemary growing in the median strips of highways in Downtown Las Vegas, a pretty warm place most of the time. You can Google Vegas weather data, but it has to be well over 100 F in those medians much of the year. Right next to Bellagio they had rosemary growing in the medians for years, not sure if it is still there. $\endgroup$ – Lynn Griffith May 9 '16 at 17:38

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