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UMass Extension Landscape Message August 23, 2013

Posted by claire z6b Coastal MA (My Page) on
Sun, Aug 25, 13 at 10:41

UMass Extension Landscape Message August 23, 2013

"Japanese knotweed is just beginning to flower, or will flower soon, and now is the time to manage this invasive plant. Use a 2% spray solution of glyphosate sprayed to the initiation of spray drip. Do not use herbicide formulations that contain diquat (RewardTM) or tank-mix pelargonic acid (ScytheTM) with the glyphosate. Diquat and pelagonic acid are contact herbicides and have the potential to decrease the efficacy of glyphosate. In areas near water, a formulation of glyphosate that is labeled for theses areas should be used. Non-chemical products containing clove oil, citric acid, acetic acid or orange extract will not effectively control Japanese knotweed."

And from the Cape Cod Region report:

"Crepe Myrtle, an unusual large shrub/small tree for the Cape, is in full bloom. There are hardy cultivars of this more Southern ornamental that should be planted more often here to provide late summer color."

Claire

This post was edited by claire on Sun, Aug 25, 13 at 10:46


Follow-Up Postings:

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RE: UMass Extension Landscape Message August 23, 2013

I'm working with a project to bring sheep back to Franklin Park in Boston to eat the knotweed. I hate knotweed.


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RE: UMass Extension Landscape Message August 23, 2013

  • Posted by claire z6b Coastal MA (My Page) on
    Fri, Sep 6, 13 at 9:30

Daria1961: I hope it works in Franklin Park. Is there a historical precedent? Did sheep used to graze there?

Sheep and goats are wonderful herbicides (although it's sometimes hard to get them to stop after they've eaten the bad stuff).

Claire


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RE: UMass Extension Landscape Message August 23, 2013

I saw a bunch of crape myrtles for sale at Home Depot in Framingham (or is that Natick?) yesterday. Are they hardy this far north? Or just on the cape/south coast?


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