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pruning blue mist spirea #355792

Asked August 23, 2016, 11:02 AM EDT

I have some very large plants which are getting extremely woody and ungainly. I would like to cut them back severely. Would this be alright and when would it be best to do this? I've heard you can cut them back to 9" above ground.

El Paso County Colorado

Expert Response

Yes, you can prune your Spirea and this is best done in the early spring.  Below you will find several links that provide good details on correct on the various pruning methods.

http://www.ext.colostate.edu/ptlk/1713.html

http://www.ext.colostate.edu/mg/Gardennotes/616.pdf



An Ask Extension Expert Replied August 23, 2016, 7:30 PM EDT
I've pruned them before. My question really was can I cut them to 9" above the ground.
The Question Asker Replied August 23, 2016, 9:19 PM EDT
The second link I provided gives information on how to prune based on your desired outcome.  I think you want to rejuvenate these shrubs??  If this is correct, you can cut these shrubs back to ground level.  However, there are some cautions with this method that you want to understand before you prune for rejuvenation.  
An Ask Extension Expert Replied August 24, 2016, 9:44 AM EDT

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