Question about Roundup "" Weed & Grass Killer

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I recently used ROUNDUP on a lawn The product did its job, the weeds are gone, so is some of the grass near the spray. It has not rained since the spay went on - maybe 10 - 12 days. How can I restore the area where the grass has been affected?

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Roundup is a non-selective killer of most plants it comes into contact. This means weeds, grasses, flowers you name it. Be very careful when spraying around anything you wish to keep. I have planted new grass seed after 10 days and a rain or sprinkler application.

Posted on Jan 17, 2013

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Your grass is probably dead as well. Roundup is a non selective herbicide and will kill anything green. So take care when applying. Even green stems of young trees. Shield from spray when spraying. The best is to plant new grass. Roundup stays active in the soil for around two weeks despite what Monsanto says so add new topsoil when laying new runners or a new block of grass. Rain is no issue except within 6 hours of treatment. You can water the lawn with no problem now. Good luck and take care-Roundup is a poison that does affect our hormonal balances especially women.

Posted on Aug 13, 2010

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1 Answer

Of roundup powermax do I mix per gallon of water to kill grass and weeds?


last bottle of this product I had , it had a lift off label that included all the mixing instructions ,

I will say if you have long fence lines or large areas of grass/weeds to kill , id use something a bit more economical as this product /it works well but it is a bit on the expensive side for large areas , ive found that just a block of softener salt soaking in a five gallon pail of water for a few days , works very well for large areas of land sprayed on to clear it of weeds and grass (although it's not rain proof)

May 14, 2012 | Garden

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Hi I have a orange orchard and would like to kill off all the grass and weeds. The total area is 4h, how much round up do I require? Alsois it the right time to spray now, before the rains? Kindly...


If you want to be completely sure that you kill everything then use 4 lits of roundup 360 per ha be careful not to spray even the woody areas on the tree as they can take the glyphosate can be absorbed through the bark and kill the tree. In terms of timing then the weeds should be actively growing i.e. after a rain but don't spray on a wet leaf.

Aug 25, 2011 | Roundup "" Weed & Grass Killer

1 Answer

How much roundup do i put in 3 liters of water


Round up is currently offered in a few variations. If you have the "Spray and GO" or the "Spray and Go" refill product do not add water. The ratio is already correct. Likewise for the "Redy-to-Use Plus", do not add water.
If you have the "Weed and Grass Killer Concentrate Plus", the ratio is 3oz/gallon water. 3 liters of water=0.79 gallons so use 2.4 oz of this type of Round Up.
If you have the "Weed and Grass Killer Super Concentrate", the ratio is 1.5oz/gallon water so you would use 1.2 oz of product mixed into 3 liters of water.
If you have a different product and just need to work out the conversion from gallons to liters, 1 gallon=3.78 liters.
Hope this helps.

Dec 31, 2010 | Roundup "" Weed & Grass Killer

2 Answers

How long do I need to wait to reseed / sod lawn after applying roundup?


If you use Roundup or equivalent (do not use the long-acting product with a pre-emergent). Then you can reseed three days after the treatment. Do check the label for your specific product for any directions that differ for the reseeding schedule.

Some specific treatment limits: First some lawns will require two treatments with Roundup before reseeding (or planting sod). So wait 7 days after the first application to identify any green (growing) spots and then retreat. After all existing lawn grasses and weeds have been treated, you can rake the area and then put down sod or grass seed 3 days after application.

Second: for best results the plants treated with Roundup need to get rain or irrigation a few days before the application and 2-3 days after the application. (This is true if the soil is dry when you are getting ready to plant.)

I hope this helps.

Cindy Wells
(the labels for several Roundup products are here: http://www.scotts.com/smg/catalog/productCategorySubSelf.jsp?itemId=cat50096&navAction=jump . Click on product information and then the label.)

Oct 25, 2010 | Roundup "" Weed & Grass Killer

1 Answer

I will be applying Roundup to a large section of my lawn to kill a bermudagrass infestation. Will the Roundup work better on longer grass or a freshly mowed lawn?


Hi,
Round up will work on any grass...I prefer to mix it a bit stronger when I know I am trying to kill grass... but yes it works... ask my daughter who wanted to help and spray the weeds for me and then decides to play around in the yard writing her name....:-)
It can take a week for a full killl though...

heatman101

Aug 12, 2010 | Roundup "" Weed & Grass Killer

2 Answers

When can I plant grass after using Roundup?


You can plant or replant as soon as the weeds you sprayed are dead. Roundup is deactivated upon contact with the soil, it only affects the plant material sprayed.

Jun 07, 2010 | Roundup "" Weed & Grass Killer

1 Answer

Should I spray weeds when they are wet from rain or wait until a warm dry period?


It would be better to spray when the weeds are not wet, that way the poison will be applied to the weeds at full strength and absorbed into the plant directly.

Jun 02, 2010 | Roundup "" Weed & Grass Killer

1 Answer

Agriculture Application of Round-up


Very important to buffer the pH of the water at pH 5. Then add Roundup /Glyphosate 360 at a 2% for grass weeds and 3% for brush weeds. Ensure that the grass is dry when treating and no rain is expected within 6 hours. Please take care with roundup as it is poison .

Apr 22, 2010 | Roundup "" Weed & Grass Killer

2 Answers

At what outside temperature can I begin spraying for weeds.


Yes it will. I usually spray right after the grass starts growing in the spring. If you want to save some money look at the labels on all the weed and grass killers and find the one with the highest percentage of GLYPHOSATE for the price . Concentrated is always cheaper than premixed and the roundup brand name will always be the most expensive. It's all the same stuff no need to buy the brand name.

Mar 20, 2009 | Roundup "" Weed & Grass Killer

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