Can I winter over winter rosemary?

image from draye.com

       Good morning.  It isn’t cold out at 7:30 AM, the temperature is at 55 degrees.  But it is very windy out and cloudy, so might feel colder.  Rainy weather today, high of 60 degrees with a low of 46 degrees.  I just got in from feeding my cats and temperature isn’t too bad.  Warmer than yesterday.  Day by day it is always changing.  Stay safe. 
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How to Keep Rosemary Alive During the Winter  by Robin Sweetser
Every fall, at least one person heading south for the winter will come to me with plants that they can’t bear to let die. I am a sucker for a beautiful plant, so if I have the room I usually say yes. I have gotten some remarkable plants that way—jasmine, streptocarpella, orchids, geraniums, begonias, and rosemary.   (remember this is the writer, Robin Sweetser.)
How to Overwinter Rosemary
The rosemary I have now is several years old. Last year, it spent the winter on a cold windowsill at the library. The heat was on the fritz there last winter, but this plant sailed through the 50ºF nights with no problem. Occasionally, I would wrestle it into the sink and spray water over the needles, but it usually just got watered when we noticed the lanky new growth drooping. I brought it home, and it spent the summer outdoors, enjoying the bright sunshine, heat, and rainfall. Now, it is back inside for the winter. by the writer Robin 
The three most important things to consider when overwintering your rosemary are light, temperature, and water.
Temperature
In the past, I have had success wintering rosemary in a south-facing window in an unheated upstairs bedroom. Now, we are lucky enough to have a greenhouse attached to the house. We keep it fairly cold; the heat only comes on out there if it drops below 40ºF, and sometimes plants too near the glass freeze at night. And yet, the rosemary is thriving.
Watering
It can get a messy sprinkle of water on its needles weekly, along with regular watering when the soil feels dry. Rosemary hates wet feet, so do not let yours sit in water. It needs well-drained soil, and a clay pot can help keep the roots from rotting. Many people make the mistake of letting their rosemary dry out too much, but a dry rosemary is a dead rosemary. Water when the soil feels dry.
Light
That brings us to light. Rosemary needs the brightest light you have. I have had the best luck with south-facing windows, but many people resort to supplementing with grow lights. If you don’t have access to a nice south-facing window, a western or eastern one will do. North-facing windows won’t get enough sunlight, but if it’s all you have, it’s better than nothing!
If you are very lucky and your plant is very happy, it may even reward you with some blossoms!  Frequent clipping keeps it from getting too leggy, and when new growth starts this spring, it will make for a bushier plant.
Growing Rosemary Indoors
The best part about keeping rosemary in the house is that you can stroke it every time you walk by and release that lovely fragrance into the air. Smelling it supposedly enhances cognitive function—clearly, I’m not smelling enough of it! Rosemary can even reduce anxiety and stress and repel bugs.
Cooking with it is a treat also. Fresh rosemary goes well with potatoes, chicken, vegetable soup, and we stuffed our Thanksgiving turkey with it. Plus, if your indoor rosemary doesn’t make it and dries up—free dried rosemary! Try delicious recipes like Corn Bread with Rosemary and Pine Nuts and Rosemary Chicken with Spinach.
Rosemary is said to symbolize “remembrance,”
Taken from https://www.almanac.com/overwintering-rosemary-growing-rosemary-indoors
Till next time this is Becky Litterer, Becky’s Greenhouse, Dougherty Iowa beckmall@netins.net 641-794-3337  cell 641-903-9365