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Hello all, curious if anyone has dealt with Hedge parsley. This has been a "new find" in our area that may have always been here and we didn't realize what it was. I am curious if anyone does treatment for this plant and what advise you have for it. I am quite certain it is hedge parsley and not cow parsley, as it is in flower right now and that seems to be the biggest identifying factor. Thanks!
Here's a quick overview of the treatments ISN has found most successful for controlling knotweeds: Milestone (aminopyralid) Faster kill (~3 years), more off-target effects Standard rate (3-7 oz/acre; 0.01%) Using nonionic surfactant (standard rate) Late spring (3-4 ft high) or late summer (at least 60 days before frost) When treating in late summer, it is helpful to do a cut of the plants a month or so in advance ONLY IF safe disposal of the stems is possible At some sites, repeat treatments (spring & summer) may be appropriate, so long as maximum application rates are not reached Not aquatic approved Note: Tree sensitivity issues--some trees will die if their roots mingle with knotweed that is treated with Milestone. Clearcast (imazamox) Acceptable kill (~5 years), fewer off-target effects Cocktail: 5% Clearcast 1-2% Methylated Seed Oil (MSO) Not all MSOs are aquatic-approved!! Check before applying to knotweed in areas with standing water 1-2% glyphosate (aquatic-approved formulation) Best sprayed in late summer/early fall Spraying at least 60 days before the first frost is CRUCIAL--this date will vary by location (for northwest lower MI, it's early August) Aquatic approved (if adjuvants are aquatic-approved) We have applied both of these treatments as either foliar spray or as a "cut stem" application (cutting down stems and filling the stem cavity with herbicide solution), which is a great way to avoid drift and overspray, but is more time-intensive and contains the risk of stem disposal. Questions? Comments? Leave a note!
Learn about the effects of invasive Phragmites on recreation and the ecosystem of Saginaw Bay from the deck of a charter fishing boat. Local naturalists will explain the issues caused by invasive Phragmites and showcase areas where treatment has effectively Killed the Majority of the infestation. These free tours last approximately ½ hour and are family-friendly. Each day will focus on a different treatment area. Friday , SEPT. 29 8 am-5 pm Hampton Township treatment site Tours leaving every ½ hour from the Finn Road Boat Launch 2300 N Finn Rd Essexville, MI 48732 SATURDAY, SEPT. 30 8 am-5 pm Vanderbilt Park treatment site Tours leaving every ½ hour from the Quanicassee Boat Launch 4102 Barney Dr Fairegrove, MI 48733 SUNDAY , OCT. 1 8 am-5 pm Standish treatment site Tours leaving every ½ hour from the Eagle Bay Marina 1893 Sagatoo Road, Standish, MI 48658 Phragmites Boat Tour-2.pdf