Ten Unbelievable Facts About Ohio Weedguide

The Ohio Agricultural Research and Development Center has developed a Perennial and Biennial Weed Guide that lists over 80 common weeds. Some of these invasive plants are beneficial to the soil, providing it with necessary nutrients. Others, like pigweed, compete with your plants for nutrients and water. They can also interfere with the growth of desirable plants. Fortunately, many invasive critters are not harmful to humans, so identifying them is simple.

To identify weeds, first look for their common name. You may be able to recognize a weed by its flower color alone, but the common name is only a small part of the weed's name. Some invasive plants are native to certain regions, but not to the rest of the country. If you want to learn more about them, you can contact UI Extension educators and ask them for submission forms.

Horsetail is a weed found in all fifty states of North America and more than 60 countries around the world. It is a tough plant with long, spiky roots. It is a noxious weed in many reduced-tillage farming practices. It is best controlled in areas where the weed isn't so common. It also has a tendency to overgrow in fields, and it is one of the most common invasive statewide irrigators.

The most common invasive weed in Ohio is spotted knapweed. While invasive, this weed grows in many parts of the state, primarily in the north and northeast. This invasive weed prefers full sun and gravelly soils. The species has even been found in the Pacific Northwest. The spotting knapweed is an important part of the invasive plant population in the Midwest and Eastern United States.

Unlike most invasive plants, weeds in Ohio are not dangerous to humans. It is a common weed in the Midwest and can be controlled with the right methods. It can be effectively eliminated by hoeing and pulling out the weeds. If you have a lawn that isn't a good candidate for invasive plants, you should consult a professional. This is the best way to ensure that your lawn is free from these unwanted plants.

You can distinguish poison hemlock from wild carrot by the height of the plants. The former reaches over 8 feet, while the latter grows to three feet or less. Its white taproot is a valuable source of food for songbirds. Both plants produce large umbrella-like flowers in late spring and early summer. A poisonous weed should not be allowed in a yard. However, if you are concerned about the poison hemlock, consult a licensed professional.

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