Blackberry infesting

Discussion in 'Outdoor Gardening in the Pacific Northwest' started by vicarious1, Mar 19, 2024.

  1. vicarious1

    vicarious1 Active Member 10 Years

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    Hi we have a corner that's sort of invisible behind a huge cherry tree at the street. Is on one elevated terrace, one of five on our garden'.
    Blackberries never seem to stop growing there. I have been in there with a small chainsaw cutting and ripping and it comes always back. Now I see the actually make roots from small pieces what's the breed to get rid of them? Someonec told me 20-30 white vinegar. But I have a gorgeous varigated holly growing above. I think his roots of 50 years must go rather up into the land so the vinegar should not hurt it' Anyway is all doomed with the landlords. plans.
    But the spot is actually getting more valuable with the stronget sun we get would love to grow tomatoes etc..
     

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  2. Margot

    Margot Renowned Contributor 10 Years

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    Paint a freshly cut branch/stem with concentrated Roundup.
     
  3. vicarious1

    vicarious1 Active Member 10 Years

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    SorryI don't understand. What's tonight roudup?
     
  4. Margot

    Margot Renowned Contributor 10 Years

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    Roundup is a very controversial herbicide which, in my opinion, has gotten a lot of very bad press because of its association with the reviled company, Monsanto. Study after study has shown that although the toxicity of its main ingredient, glyphosate, is very low, many have called into question the other ingredients in the formulation, ie. surfactants, which some think may be more toxic than glyphosate itself.

    As a home gardener, I am very grateful to have Roundup in my toolkit. I need miniscule amounts to eradicate specific weeds like Wall Lettuce (Mycelis muralis), Spurge Laurel (Daphne laurealis) and Blackberry species. It is also very effective so I hear with various knotweeds.

    There are countless websites extolling or criticizing Roundup. Which you trust are up to you. I think this one is fairly balanced: https://extension.psu.edu/glyphosate-roundup-understanding-risks-to-human-health .
     
  5. vicarious1

    vicarious1 Active Member 10 Years

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    Hello.. thanks for your explanation. I will not mind as this land will be redeveloped sooner than later. I grow my tomatoes in big pots or bags.i just want to walk easy. How do you use it on others. For years I am fighting this weed that gets under each nook and cranny. It makes these leaves and then yellow flowers and is very difficult to eradicate. It started when my neighbor went to HKG and let his lawn degrade over six month. It got infested with weeds from the next plot under construction . Since then I have up to three big bins every spring to remove of that pest.
    He just did it again this winter. He had installed a new lawn but when weeds start he just mows them down contrary to my clear written explaining by email. He just hates gardening but won't switch to Zen gravel and plants in pots as suggested. It's not the money that's missing. This winter the three raccoons had a go at it an now it's like mini hills with weeds..dread full.
    Where can I buy your suggested product? I guess it's banned in x shop's?
    Thanks for writing and your advise.
     
  6. Margot

    Margot Renowned Contributor 10 Years

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    You certainly have your challenges! Growing tomatoes or other plants in big pots, bags or other containers is a smart way to go.
    Do you have a picture of the plant with yellow flowers that is difficult to eradicate?
    The fact that raccoons made a mess of your neighbour's lawn may indicate an insect infestation in the lawn. Take a look at this site: https://www.burnaby.ca/our-city/pro...fer is an,causes on your residential property.
    Or search: "Lawn chafer beetles". This is your neighbour's problem, not yours.
    I don't know where you can buy Roundup on the lower mainland because it is probably banned in some communities. The concentrate is expensive especially when you would only need a very small amount. If I still lived in Burnaby, I'd give you some.
     
  7. vicarious1

    vicarious1 Active Member 10 Years

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    Hello
    Yes we live in North Burnaby near Brentwood Mall. I gladly pay for some and bring container they are on the attack spring if the worst and I fight to get them gone as much as I can before they bloom.
    They are on every level on the left side due to neighbors lawn.
    Lucky they have no reached my right side veggie garden. My other neighbor also has them but they only seem to migrate down hill.
    And yes I do love my rocks and have collected a fair share
    About 14 years ago in freecycle 14 trunks of our Honda accord of white crystaline from a shawnessy mansion that was coming down. My back is also paying the price now :-)!..90,% of our garden is made of recycled materials wood stone rocks glass I made a 96sq,t greenhouse only the screws and poster concrete support were new. An entire sun deck of 60 year old fire the wall man from across left when the job was done. Many 2" x 16 feet . Even our patio roof the landlord insisted on being new I got from a by building site that simply threw them in the side of our street. Just enough 2x4 for the entire patio.
    People are so wastefully and we are well let's say rather frugal recyclers..
    You are welcome to visit.:-)
    Cheers Vic
     

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  8. vitog

    vitog Contributor 10 Years

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    Roundup is available in any Canadian Tire store in spray bottles with dilute solutions or in various sizes with concentrate. It is also available at Home Depot and probably many other similar stores.

    Oh, since Roundup's patent expired last year, there are generics with the same chemical composition. I assume that these are cheaper than Roundup itself and have probably brought down the price of the original product.
     
    Last edited: Mar 20, 2024
  9. vicarious1

    vicarious1 Active Member 10 Years

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    Ok thank you for your help. I will get some.
    Go well the invite is still open :-)
     
  10. Ron B

    Ron B Paragon of Plants 10 Years

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    ROUNDUP is a trademark used to sell glyphosate. Glyphosate is not particularly effective on creeping buttercup.
     
  11. Keke

    Keke Active Member 10 Years

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    If the culprit plant is in photo 8, what you have there is buttercup. It likes moist soil, especially clay, and is particularly fond of compacted, low-oxygen situations. I used to use a dandelion digger to get them out of the ground at my old house — they don’t have taproots but rather a fan shape of thick roots. Doing this before they flower is by far the best option, and DON’T home compost them. Put them in your green bin if anything. If someone mows a lawn with flowering buttercups in it, it will spread the seeds beautifully. Just like with blackberry, you can fight them to a draw but rarely win once you have them. The best defence is to aerate and amend the soil so it drains well.
     
    Last edited by a moderator: Mar 21, 2024
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  12. Margot

    Margot Renowned Contributor 10 Years

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    Not buttercup nor on horsetail as I discovered in the 1970s. I wrote a letter to Monsanto at the time saying I was adding a little dish soap to act as a surfactant and I still have their letter back advising that that could be counterproductive. :-)

    I find glyphosate is especially effective on grasses although I try to pull invasive grass species before they go to seed. In my experience, grass seed does not persist in the soil as long as other nasty weeds like snap weed or chickweed.
     

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