Details for COOS WATERSHED ASSOCIATION - Ad from 2019-09-11
The Coos County Noxious Weed Board presents: Weed of the Month Knotweed Polygonum spp. ID Tips: Giant, Japanese and Himalayan Knotweed are all native ve -perennial to eastern Asia and have since escaped cultivation. -red stems that resemble the There are many species, but these are the three species es look of bamboo that are currently found on the southern Oregon coastt Giant -small white flower "spikes" P. sachalinensis Any small piece of this plant can propagate an stand erect where the leaf entirely new plant; because of this you should not meets the stem mow over it or pull it out! Each piece of the broken - most commonly found plant/root will turn into a new plant, rapidly taking g stream side Japanese over your yard and displacing your native plants. P. cuspidatum Knotweed is palatable to your grazing animals and will not harm them, however they could be playing a role in the plant's rapid multiplication. If you cut it to reduce Himalayan the spread, and do not want to chemically treat it, be P. polystachyum sure to put it all into a plastic bag and place it in your regular trash can. Do not put it in a mulch or burn pile! Have you seen me?! Contact The Coos Watershed Association (541) 888-5922 Download the EDDMapSWest app to your phone from the app store Or call the invasive species hotline 1-866-INVADER (1-866-468-2337) @ coos.plant.invaders Noxious weeds are everyone's responsibility!