Quote:
Originally Posted by ron_mcb
ok i got the 24 inch barricade to be safe. you really dont think they would go any deeper if the roots are not packed and its kept trimmed? if annual trimming is done it would help control the growth, did you mean just thinning out canes near the barrier or randomly removing a few canes from the center of your plot?
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You have to control the "Rhizomes"...they will send new shoots low and keep pushing the barrier....