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Damned Celandines!

Hey everyone,

Got a customer who is plagued with celandines in what would/should have been a lawn! Ordinary glyphosate hasn't worked for her, and now she's asking if I can use a professional herbicide on them instead. My question is simply what LJN members would recommend. 

Thank you in advance.

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  • Headland relay
  • PRO Supplier

    Relay is excellent for celandine (buttercup family) its the MCPA that does the business - all hi-load MCPA products are being phased out - Relay T & P are no longer available for sale after 30 June this year (use up by June next year) 

    Many will be re-formulated and appear in a different guise  - look also at Dicophar for unique 4-way active ingredients.
    http://www.progreen.co.uk/Weed-killers/Selectively-Control-Weeds-in...

    If you want to use a total weedkiller then adding an adjuvant to the Roundup such as solar plus or Biosyl will have a better effect than glyphosate on its own due to the shiny leaves. Always apply before flowering or late summer/ autumn for best effect

    Regards

    Richard @Porgreen

  • Please do any treatment in late evening so that any bees hunting for nectar don't end up poisoned. Thanks, mary

    • I'll most likely have to spray early to prevent drift (it's a windy site), but won't be able to do this until most if not all celandines have finished flowering.

    • I agree late evening to limit the risk to the bees but I have raised on many occasion why in the PA1 theory they always state earley morning is the correct answer but at least most of the instructors tell you that's the correct answer for the test but you should apply in the  evenings.

      • The PA1 states that the correct time to spray herbicide is the early morning because there is less likely to be any breeze to cause drift, allowing the product to reach its target and reducing environmental damage caused by overuse of the chemical. In the case of insecticides you spray early while the temperature is cool and the target pests aren't active, again allowing the product to hit its target. You can spray in the late evening if a) there's no breeze, b) there's no chance of dew forming and diluting/washing off the product, and c) that you spray late enough that there aren't beneficial insect foraging. In the middle of summer that would mean me spraying my customer's gardens about 9pm!

        • Agree but speak to bee keepers their preference is late evening.

  • Thanks for this everyone.

  • I sprayed all my (15 ac of) celandine /buttercup infested grass last week with MCPA - Using Agritox -

    Its already killed most of them and the effects were noticable within 24-hours, curled leaves and browning of the tips.

    Cant reccomend it enough>

    As for spraying time - its not harmful in anyway to invertibrates so no need to worry about harming bee's etc , the only risk is if its still wet they may translocate some herbicide to other non target plants, that said dose should be so small as to be inconsequential.

  • Change the customers mindset to get them to enjoy the short lived beauty of this flower. It is hardly a noxious weed...in a few weeks time it will be over and there will be no sign of it in the sward. Meanwhile  just enjoy it.

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