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Overwintering Geraniums

What to do with geranium flowers over winter

Overwintering Geraniums

I try to keep myself busy with a multitude of home and garden project during the winter.  This year, I wanted to test a theory a friend passed along about overwintering geraniums.

Home of the Frozen Tundra

I live in Wisconsin, home of the Frozen Tundra. Last winter was brutal. Green Bay certainly lived up to its nickname of the Frozen Tundra!  Below zero temps, ice storms and it just it seemed to linger.  Our plants wouldn’t survive outdoors.  Two choices.  Bring them in or dig them up. 

A New Way Huh?  
A friend told me a new way to overwintering my geraniums.  The method I used previously was to cut them down a bit and stick them in my basement in a dark corner without watering them.

What I Did Previously
In February, I would place the pots in a sunny window and give them a good watering.  Seemed to work out just fine for me.  Although, I did lose a few pots over the years.


Storing Geraniums in Wintering


New Method for Overwintering Geraniums Let’s Test It
The new method was rather simple and didn’t require me to lug my geranium pots to my basement, which was a huge bonus for me.  I decided to give it a go because IF it worked, I would save some heavy lifting of pots at the end of the season.


Winter Storage for Geraniums
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Steps For Overwintering

1.) Remove each individual geranium plant from the soil and shake off dirt.

2.) Cut the greens and stems back to around 2 inches.

3.) Place all the plants in a paper bag and store in a dark space.  I stored mine in a hallway closet.

4.) Set a reminder on your calendar or phone once a month to take your plants out and spray them down.  Place them on a towel for a quick dry.  Return to bag and dark place.

5.) 4-6 weeks before you wish to plant your geraniums take them out and place them in a jar of water in a sunny window.

Overwintering Geraniums I NikkiLynnDesign

6.) Your stems will green up and you will see growth.  After your plants start to form buds, plant in pots.

Overwintering Geraniums I NikkiLynnDesign

7.) Slowly expose your geraniums back to the elements.


The steps above are really THAT simple.  It works extremely well.  I do believe my plants have doubled in size from last year.  I only lost 5 plants out of 42 plants.  Small potatoes for me. Most certainly, will be doing this method next year.

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