What did you use as a root barrier?

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Sam
Along the Grand Strand of Myrtle Beach,SC

cliped
(We also have soapwort and it propagates itself just fine!!
In fact it's invasive so we've put a root barrier around it to
keep it in check.)

Obviously the label that came with the plant was wrong.
What I have apparently is
Phlox paniculata 'Nicky' Summer Garden Phlox
and I'm still searching for ways to multiply this fragrant flower!

Thanks again!
Peace!!
Dan D. Louisville KY good ole USA
http://ky-dan.com
Note- email in headers is dead due to spammers
kydan at myrealbox dot com will work.