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    • Unlawful

      • The federal and Ohio noxious weed lists includes Giant Hogweed (Heracleum mantegazzianum), making it unlawful to propagate, sell or transport this weed.
      www.pepperpike.org/DocumentCenter/View/296/Giant-Hogweed-Information-PDF

      GIANT HOGWEED - Pepper Pike, Ohio

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  3. u.osu.edu › sustainability › 2018/06/19Yes, there’s giant hogweed in Ohio (in some places): What to ...

    Jun 19, 2018 · Giant hogweed, the nasty invasive plant that’s currently in the news — experts discovered it for the first time in Virginia recently — has been found in scattered places in Ohio for a number of years, especially in Ashtabula County in the state’s far northeastern corner.

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  4. ohioline.osu.edu › factsheet › anr-35Giant Hogweed (Heracleum mantegazzianum) | Ohioline

    • Identification
    • Control of Giant Hogweed
    • Acknowledgements
    • References
    • Photo Credits

    Giant hogweed is an herbaceous dicotyledonous plant that is classified as having a biennial life cycle. It is a member of the Apiaceae (Umbelliferae)family of plants, commonly known as the Carrot or Parsley family. It can live for several years but once it flowers and bears fruit it dies. Giant hogweed is hardy to zone 3 and prefers full sun and mo...

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    Gardeners, landscapers, surveyors, nurserymen and farmers should exercise caution around this plant. As was mentioned previously, the plant juices can cause phytophotodermatitis. If the plant sap comes in contact with the skin in the presence of sunlight, a severe rash and/or blistering can occur. Therefore, extreme caution should be taken when con...

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    The authors would like to thank Dr. Jörg Ochsmann, Dr. Mads A. Sorensen, and the USDA-APHIS office for their photo contributions. A special thank you is extended to Settillo Codispoti for allowing OSU Extension educators to learn more about giant hogweed at his farm in Pierpont, Ohio. Reviewers of this document included: Jeff Stachler, Weed Scienti...

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    Neilson, C., Ravn, P., Nentwig, W., & Wade, M. (2005). The Giant Hogweed Best Practice Manual. Horsholm, Denmark: Forest & Landscape Denmark. (Online). Retrieved August 2005. researchgate.net/publi...
    United States Department of Agriculture, Animal & Plant Health Inspection Service (2002). Giant Hogweed.(Online). Retrieved August 2005. aphis.usda.gov/lpa/pubs/fsheet_faq_notice/fs_phhgweed.pdf (n...
    Mayer, L. (n.d.). Comparison of Management Techniques for Heracleum mantegazzianum in North and Central Europe.(Online). Retrieved August 2005. horticulture.coafes.umn.edu/vd/h5015/00papers/mayer.h...
    King County Washington (2004). Best Management Practices for Giant Hogweed.(Online). Retrieved August 2005. dnr.metrokc.gov/wlr/LANDS/Weeds/pdf/hogweed-control.pdf (no longer available online).

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    Figures 1, 4, 5, 6, 7, 8 and 9. Photos courtesy of David Marrison, OSU Extension.
    Figure 2. Photo courtesy of the USDA-APHIS.
    Figure 3. Photo reprinted with permission from Dr. Jörg Ochsmann, Germany.
    Figure 10. Photo reprinted with permission from Mads A. Sorensen, Denmark.

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  5. ocj.com › 2020 › 09The legalities of noxious weeds – Ohio Ag Net | Ohio's ...

    Sep 18, 2020 · The Ohio Department of Agriculture (ODA) is in charge of designating “prohibited noxious weeds.” The list may change from time to time, but currently, noxious weeds include: Shatter cane (Sorghum bicolor)

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  7. agri.ohio.gov › divisions › plant-healthProhibited Noxious Weeds - Ohio Department of Agriculture

    May 27, 2006 · For the current list of prohibited noxious weeds, see OAC 901:5-37-01. There is also a list of prohibited and restricted weed seeds, which can be found at OAC 901:5-27-06. The following plants are designated "prohibited noxious weeds": Apple of Peru (Nicandra physalodes)

  8. farmoffice.osu.edu › blog › wed-05292024-130pmIt’s high season for Ohio’s noxious weeds laws | Farm Office

    Ohio has several statutes and regulations intended to curtail the spread of the invasive and potentially harmful weeds we refer to as noxious weeds. The most common question we’re hearing is this: if there is a weed problem spreading onto or around my property, what can I do about it?

  9. www.transportation.ohio.gov › wps › wcmof PROHIBITED NOXIOUS WEEDS IN OHIO - Ohio Department of ...

    The Guide for Roadside Integrated Vegetation Management (RIVM) of Prohibited Noxious Weeds in Ohio was designed for the Ohio Department of Transportation (ODOT) as a practical field guide for identifying and controlling Ohio’s prohibited noxious weeds and selected invasive plants.

  10. ohiostate.pressbooks.pub › giant-hogweed-sectionGiant hogweed – Identifying Noxious Weeds of Ohio

    Ohio’s Noxious Weeds. Giant hogweed. Heracleum mantegazzianum, giant hogweed. Family: Parsley, Apiaceae. Habitat: Rich, moist soils along roadside ditches, stream banks, waste ground, along tree lines and open wooded areas. Life cycle: Biennial or herbaceous plant. Growth habit: 8-15 ft tall.

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