ᐅ Eliminate weeds from a 600 sqm area

Created on: 27 Jul 2017 11:59
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Evolith
Hello dear forum community!

Since I have already received so much great help here during our house construction, I would like to use your expertise again for my personal nightmare project.

Current status: The house is built, and we are happily living in it. The garden is showing its best greenery. Weeds of all kinds (nettles, thistles, grasses, etc.) are spreading over more than 600sqm (about 6,460 sq ft). Fortunately, so are my dahlias. The garden still needs to be raised by roughly 100 cubic meters (about 3,530 cubic feet) in total. The soil will be delivered from another construction site in the next days/weeks. It is good topsoil on which the lawn has been growing (and maintained).

What I am planning: I want to start by pulling out as many weeds as possible from the weed-covered area. Once the new soil arrives, it will be spread on top and hopefully smother the rest.

Problem: But since I’m not relying on luck, quite a lot of weeds will probably regrow or be brought in again. Since most of the area is meant to become lawn, I want to leave as little weed as possible there. I’m relaxed about the flower beds—I will just keep pulling weeds there. But for the lawn... I would like to significantly reduce the weeds beforehand to ensure a good base.
But how do I do this? We have already considered chemical weed control. However, we have three tigers and a toddler. I would rather not poison my whole crew. The neighbor’s cat should also remain unharmed. Covering the entire 600 sqm (about 6,460 sq ft) is not really an option either.

Help!!!
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Nordlys
27 Jul 2017 12:42
Sorry, you're not completely inexperienced. Then just borrow the equipment. Honestly, using chemicals will be illegal, and Raiffeisen won't sell you the products either.
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HilfeHilfe
27 Jul 2017 13:24
Otherwise, just pull again once the new soil is on top. We did this 2-3 times as well, and as you can see, everything is settled.
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Evolith
27 Jul 2017 13:31
Nordlys schrieb:
Excuse me, you’re not completely inexperienced after all. Then just borrow the tools. Honestly, with chemicals, that would be illegal, and Raiffeisen won’t sell you the products either.

My grandfather belonged to the old-school patriarch type. When he whistled, we all stood at attention waiting for orders. All the children had to help out with the “character-building work assignments.”
Back then I hated it, but today I realize how valuable the lessons were. Most people my age don’t even know what a scythe looks like, let alone how to use one.
My husband just told me that our neighbor has some tools we can borrow.

Since it has rained nicely these past days, I will follow HilfeHilfe’s suggestion and try digging around a bit with the potato fork today. Let’s see how it goes.
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Knallkörper
27 Jul 2017 13:49
I would use glyphosate, which I personally consider fairly safe for humans and cats. However, mowing beforehand would be counterproductive in this case. If you prefer not to use chemicals, mowing and then running a rototiller over the area is still quite cost-effective and quick compared to other methods. If you add soil on top afterward, I wouldn’t do anything else – with proper lawn care, weeds won’t have much chance to grow.

Depending on the condition of your topsoil, I would recommend mixing sand into the lawn areas.
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Evolith
27 Jul 2017 13:59
My chemist also recommended glyphosate, as it supposedly only interferes with photosynthesis. However, I still have some concerns.
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Knallkörper
27 Jul 2017 14:05
It depends on whether you prefer to rely on verifiable facts or your intuition; I don’t want to judge that. A farmer does it this way: apply glyphosate to the field when the weeds have grown tall enough (more leaf area). Wait 2 weeks – plow – sow.