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  1. Heart-podded hoary cress (Lepidium draba sub. Draba)

    https://pested.osu.edu/node/422

    while upper leaves are without stalks and are heart-shaped. Flower: Clusters of flat-topped white ... flowers Fruit: Seed pods are somewhat heart-shaped, dark brown, and hairless Root: Rhizomatous The problem ...

  2. Apple of Peru (Nicandra phyhsalodes)

    https://pested.osu.edu/node/396

    Stem: Branching Flower: Pale violet bell-shaped flower, 1–1½" across when fully open. Fruit: ...

  3. Hairy white top or ballcress (Lepidium appelianum)

    https://pested.osu.edu/node/421

    in shape and covered in fine hairs Root: Deep, spreading root system The problem is…hairy white top ...

  4. Palmer amaranth (Amaranthys palmeri)

    https://pested.osu.edu/node/408

    roadsides. Leaf: Alternate without hairs, and lance-shaped or eggshaped in outline. Leaves occur on ...

  5. Mile-a-minute weed (Polygonum perfoliatum)

    https://pested.osu.edu/node/406

    leaves with rough leaf margins, triangular to heart-shaped. A leaf-like sheath encircles the base of the ...

  6. Purple loosestrife (Lythrum salicaria)

    https://pested.osu.edu/node/410

    heart-shaped or rounded at the base. Stem: 4 to 6 sided woody stem. Hairless or short-upward pointing hairs. ...

  7. Poison hemlock (Conium maculatum)

    https://pested.osu.edu/node/409

    purple spotted. Flower: Flowers are small, white, and borne in umbrella-shaped cluster about 3" ...

  8. Musk thistle (Carduus nutans)

    https://pested.osu.edu/node/407

    Multi branched spiny stems 1.5'-6' tall. Flower: Large disk-shaped showy red-purple flower ...

  9. Cultivar Trial Gardens

    https://chadwickarboretum.osu.edu/our-gardens/learning-gardens/cultivar-field-trial-garden

    and Snyder Park Gardens and Arboretum in Springfield, Ohio, each grow the same varieties of annuals ... had about 25 volunteers evaluating in 2023.  Planting takes place in May and plants are removed in ... maintained. It takes over 70 volunteers to handle everything!  The trial gardens are always open to the public ...

  10. Wood-Destroying Insect Inspection

    https://pested.osu.edu/home/quick-links/wdiinspection

    take 5 hours of recertification credit every 3 years. The specific requirements are: 1 hour of Core ...

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