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What is Nut Grass?

Lawn Care
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Nut grass is on the top of the list when it comes to invasive weeds. This pesky plant has spread throughout the world, and it can be a major blight for farmers – not to mention a big headache for home lawns.

Characteristics of Nut Grass

Nut grass is a perennial plant, and one nut weed may live for years. The plant itself is a thin stalk with long thin light green leaves and small flower and seed bunches on the top. The grass can reach up to three feet in height, and as it grows it shoots out complex underground systems of tubers and roots which spread and reproduce. Eventually a thick bunch of the grass forms and expands, and nearby crops, plants and grasses are quickly choked out by the hardy weed.

Why is Nut Grass so Invasive?

Nut grass is highly invasive because of its intense reproduction characteristics; this weed is also invasive because it is adaptable and difficult to eradicate. Nut weed flourishes in warm and wet climates, but the weed has also spread to temperate regions and into drier farmlands. The complex and deep root system of nut grass contributes to its awesome strength as a plant; strength which allows the plant to overtake other types of plants and which makes it hard to completely remove the reproducing roots from the ground.

Nut Grass Control

Effective nut grass control may require a combination of mulch, herbicidal applications and pulling the weeds out by hand. Nut weed has become resistant to most types of herbicides, so if you have nut grass be sure to choose an herbicide that is targeted for nut weed eradication; it is also important to apply the herbicide at the right stage of growth.

Plastic sheeting will not prevent nut weed growth as the sharp and fast growing roots and tubers will puncture through the sheeting. However, non-herbicidal eradication can be achieved in gardens and flower beds by maintaining a thick and fresh layer of heavy mulch; pulling out weeds by hand can also help to reduce nut weed populations in small areas.

The Few Good Points About Nut Grass

As bad as nut grass may seem, this plant has some positive points. The starchy tubers provide a nutritious meal for pigs and birds, and nut weed may also be used to produce a tasty beverage. Recently, this weed has garnered the attention of scientists who are studying possible medicinal qualities of the plant which may include anti-inflammatory, anti-nausea and fever reduction effects.

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