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Spacing requirements for gray dogwood shrubs? Do they always need the suckers removed? (2 Viewers)

Avon Avians

Well-known member
United States
Hello folks!
I'm sure that a few of you folks out there, particularly those in the northeastern US, are acquainted with the gray dogwood shrub, Cornus racemosa.
It is sometimes known as the "northern swamp" dogwood.
I've heard that it is excellent for attracting birds and small mammals, which, of course, means that it's attractive to me, too.
The only problem with this shrub is that I've heard that they can produce large thickets by means of constant suckering.
My question is how much space is needed for these dogwood thickets? Is it possible to provide them with enough space to allow for free growth?
And if not, how easy is it to remove them? And how long does it take for these suckers turn into thickets?
Any input would be appreciated. Thanks! God bless!
 
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