Thorny weed identification

RV86June 10, 2011

Hi,

I have a large patch of weeds growing and spreading rapidly in a cleared patch of woods near my garden. The weeds have thorns and are very nasty if they get attached to your clothing! The older stems are red and woody and have five flat sides. The largest ones are around 4 feet tall. Any idea what they are? Best way to get rid of them? Thanks in advance for advice! Below are some pictures...

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hortster(6a, southcentral KS)

Looks like a blackberry (Rubus sp.) thicket. Not sure about eradication technique other than herbicide since it spreads by suckers from the roots and would come back up from any stray roots left in the ground. If left unchecked, blackberries can get away from you!
hortster

    Bookmark   June 10, 2011 at 4:48PM
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jean001a(Portland OR 7b)

Digging is the most effective. Then check during successive years to get the seedling & re-sprouts from missed roots.

    Bookmark   June 10, 2011 at 10:39PM
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noinwi

Looks like Himalayan Blackberry, Rubus armeniacus. Extremely invasive in many states. Your local(county/state)noxious weed control board can give you info on how to best control it in your area(mechanical methods, spray schedules, etc).

    Bookmark   June 11, 2011 at 10:23PM
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Kimmsr(4a/5b-MI)

Keep in mind that spraying herbicides, plant poisons, is harmful to our environment and has been shown to cause genetic mutations in lower order creatures that may indicate problems for us. What is the reason for the genetic changes in us humans since these products have seen greater use since the 1950's?

    Bookmark   June 12, 2011 at 7:08AM
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