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  1. Russian knapweed (Rhaponticum repens)

    https://pested.osu.edu/node/419

    allelopathic. The problem is…Russian knapweed persists in cultivated fields when established and produces deep ...

  2. Landscape Pruning Clinic- DATE CHANGE

    https://mahoning.osu.edu/events/landscape-pruning-clinic-0

    an additional $4.00. Pre-registration is required. View the event flyer here.  To register please ...

  3. Grapevines, uncultivated & in groups > 100 (Vitus spp.)

    https://pested.osu.edu/node/400

    if they are growing in groups of 100 or more and are not maintained (pruned, sprayed, or cultivated ...

  4. Shatter cane (Sorghum bicolor)

    https://pested.osu.edu/node/412

    in height. Life cycle: Summer annual Habitat: Cultivated fields – especially cereal crops. Leaf: ...

  5. Russian thistle (Salsola Kali var. tenuifolia)

    https://pested.osu.edu/node/411

    Cultivated, fields, roadsides, railroad right-of ways, pastures, waste areas, irrigated areas, river bottoms, ...

  6. Canada Thistle (Cirsum arvense)

    https://pested.osu.edu/node/397

    aggressively. Hand-pulling and cultivation are often ineffective control mechanisms because new plants sprout ...

  7. New Pesticide Applicator Training

    https://mahoning.osu.edu/events/new-pesticide-applicator-training-0

    common questions and test day preparation strategies to get you ready for testing.  The registration fee ...

  8. Spring Gardening Basics Class

    https://franklin.osu.edu/events/spring-gardening-basics-class

    right NOW! All this will be addressed at The Urban Farm Church on 3/20 at 6pm.  This class is free and ... open to the public but does require registration (so they know how many snacks to make!) so bring your ... March 20, 2024, 6PM- 7PM WHERE:   The Urban Farm Church, 3901 Maize Road, Columbus, OH 43224 COST: Free ...

  9. Spring Garden Workshop: Session 1

    https://mahoning.osu.edu/events/spring-garden-workshop-session-1

    season!  Registration is $45 and includes: Two keynote presentations Morning and afternoon breakout ...

  10. Spring Garden Workshop: Session 2

    https://mahoning.osu.edu/events/spring-garden-workshop-session-2

    season!  Registration is $45 and includes: Two keynote presentations Morning and afternoon breakout ...

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