Park County Weed and Pest Control District July 2015 Know Before You Grow! If those “Shasta” daisies you purchased a few years ago have begun to take over your garden or even your entire yard, there’s a good chance that what you actually purchased was Oxeye daisy (Leucanthemum vulgare) instead of the Shasta daisy (Leucanthemum superbum) that you had hoped for. Be wary of purchasing plants or seeds that do not list the scientific name. Oxeye daisy is also sold under the name of “Alaska” daisy. Whatever the common name is, if information is missing, or if somebody tells you they will grow anywhere, pass them by! OXEYE DAISY (Leucanthemum vulgare) A perennial species growing from 1-3 ft. tall, introduced from Europe and Asia. Displaces native plants by forming dense colonies that are difficult to eradicate as it reproduces by seeds and roots. Easily distinguished from Shasta daisy by leaf shape. Oxeye daisy’s lower leaves are 2 to 4 inches long including short stalk, spatulate to lance-shaped, with wavy serrated edges. Upper leaves shorter and attached directly to the stem and margins noticeably toothed. There may be up to 40 stems per plant. Flowers are similar in appearance to the Shasta daisy but are a bit smaller at 2” across. Each flower may produce over 200 seeds! SHASTA DAISY (Leucanthemum superbum) A robust perennial with foliage growing up to 4 ft. tall and clumps up to 2 ft. wide. Thick glossy dark green leaves up to 6” long. Margins finely serrated. Upper leaves maintain similar shape but are smaller. Flowers may be 4” across. Spread is usually attained by actual separation of roots into new plantings. Rarely by seed. Many cultivars available - watch out for L. vulgare! Oxeye daisy rosette Oxeye daisy Shasta daisy upper leaves infestation upper leaves rosette Shasta or Oxeye Dalmatian toadflax COST SHARE AVAILABLE! Love the Outdoors, prove it! Without aggressive control efforts, Dalmatian toadflax will continue to spread onto our public lands. PCWP crews are busy treating this and other noxious weed species throughout the county. With 4.5 million acres to cover, we need your help! Landowners are responsible for preventing the spread of this and any other listed noxious weed species. This is a prolific seed producer that can also spread via roots. At a minimum, plants with seeds should be pulled or clipped and disposed of in the landfill or dropped off at our facility for incineration. Herbicide options are available FREE to all Park County landowners. Please contact us for more information regarding effective control methods or to obtain herbicide. 307-754-4521. Let the staff at Park County Weed and Pest Control District assist you with your land management needs. From on-site consultations and weed management plans, to chemical recommendations and sales, rental equipment and cost share opportunities, PCWP can put the right tools in your hands. For detailed information on the services we provide to Park County residents, or to reserve any of our available equipment, please contact Help Prevent The Spread Of Invasive Plants And Animals. Park County Weed and Pest • Arrive with clean gear. • Burn local or certified firewood. 307-754-4521 or 307-527-8885 • Use local or weed-free hay. or check us out on the web! • Stay on the trails. www.parkcountyweeds.org • Before leaving, remove mud and seeds. PlayCleanGo is currently sponsored by State of Minnesota and USDA Forest Service, equal opportunity employers. Cost Share is Available for Most Noxious Species! Powell 307-754-4521 or Cody 307-527-8885.