All about quackgrass, the king of the invaders

All about quackgrass, the king of the invaders

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The wheatgrass is a very invasive grass. Tufts have an extensive root system. Quackgrass thrives everywhere in the garden and in vegetable gardens and appreciates rich, well-worked and open land. The best way to get rid of it is toanticipate its spread by covering the ground weeded. The roots of quackgrass can cover large underground areas. Pulling the clumps must be cautious because the slightest residue of plant causes the appearance of a new quackgrass plant.

Quackgrass is the classic enemy of the gardener. This ultra-resistant grass grows very easily where the garden, the massifs or the kitchen garden have been worked. Our advice to fight effectively against quackgrass in his garden and on his terrace.

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What is quackgrass?

Quackgrass is a grass of the family of Grasses. His Latin name, Elytrigia repens, do not make it friendlier. Its ordinary name comes from the shape of the grass, very fine at the top and wider at the base. It evokes the dog teeth and the use was to turn the name into quack grass rather than dentchien ... This very invasive grass forms tufts of more than 20 to 30 cm in diameter resembling good grass. Under ground quackgrass has roots in the form of rhizomes that can scatter in all directions over 2 meters long. he colonize the spaces left barewell-worked vegetable gardens and perennial beds frequently fertilized. Quackgrass can cling to the roots of roses, invade rhizomes of iris or dahlias. It is spread by the seeds produced in late summer or by its roots: plowing the soil cuts the roots into small pieces, as many future clumps of quackgrass.

How to fight quackgrass

Prevention is essential for effectively control the presence of quackgrass in a kitchen garden or garden. This grass likes the well shaven lawns, the massifs with the heavy grounds and left bare, the vegetable gardens of course and the beds of bulbs which are by nature little worked, after the time of the flowering. The first rule is to never leave the floor bare. Straw, spread bark, BRF, dry grass clippings, but do not let the soil expose directly to the light. Weeds, including quackgrass, will quickly take up space. If quackgrass is too present, enjoy a period of wet weather for pull out the tufts, one by one. Be sure to remove as many roots as possible. Otherwise every little bit of quackgrass will go back to a new tuft. Use a little claw for tearingr quackgrass wrapped around shrubbery. Tear quackgrass several times in the season to weaken it and do not wait for the climb to seed. Then cover the floor for at least 10 cm. Use a thin and compact mulch to prevent the young quack grass from sneaking out into the open air. In the vegetable garden, plow if necessary at the end of summer and sow green manures, type beans or phacelia. The soil will be covered and quackgrass will have less space to grow. In cases of large infestation, you can also cover the ground with a black tarp that will kill quackgrass. Avoid chemical weed killers that will not prevent the redeployment of quackgrass. On a terrace or a small surface, clumps of quackgrass growing between slabs or against a wall can be eradicated with a thermal weedkiller.

Gardener's tip on quackgrass

Quackgrass is a poor herb in the garden, but pets, cats and dogs love to chew. Take a clump of quackgrass and replant it in a pot for a city cat that is not lucky enough to have quackgrass within reach of the canine.