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How do you use roundup to kill a tree stump? - Roundup "" Weed & Grass Killer

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Hello, I am a grower and licensed pesticides applicator (40 yrs exp).
Roundup lost the trade mark years ago,"glyphosphate" which is now marketed (cheaper) under many other names,
Will kill a live tree if sprayed on the leaves! Also will damage young trees if you just get over spray on the trunk while spraying weeds.
Also, kills grass as well as broadleaved plants.
To kill a tree you would need to spray the leaves, then wait at least a month before cutting the tree down. I have successfully killed a few stumps by spraying the live suckers.
Be especially careful of spray drift as the finer the droplets are the more effective the chemical is. Read the label!

Posted on Feb 24, 2015

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Randy and 2stroke guy are BOTH right. Standard Roundup is for weeds, and won't do much to a stump. But Roundup Stump Remover is a different product that is designed to slowly eat away at the stump and prevent residual suckers (saplings) from sprouting. One caution though, is it may affect nearby sensitive small trees or plants, if the groundwater carriews it to their root system.

Posted on Feb 22, 2015

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You can't as it is made for broad leaf plants and weeds and not for trees, You can dig the stump out or burn it out or have it grinded down below the surface, But since it is a stump it's already dead and there would be no use for any product for killing weeds or grass.

Posted on Aug 29, 2010

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I have use this method several times with good success. Take a drill and 1" wood boring bit and drill several holes in the stump and any roots that are exposed. Try to drill the holes about halfway through. Fill each hole with RoundUp and put the drill shavings back on top of the hole. You may have to repeat a couple of times. I also noticed the stump rots much faster than normal this way.
Good luck

Posted on Aug 29, 2010

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Can I use diluted Roundup in evergreen carpet?


Hiya while I am not sure of what you mean exactly as an evergreen carpet I do know that if you want a plant or tree to survive don't use round up near it. Roundup is an extremely strong effective herbicide which will kill any living plant (more precisely the leaves) it touches. It also takes very little to kill a plant or tree.

Having said all that. I have had an issue with Lilly of the valley taking over as our property was vacant for 20 years the plants went unchecked all that time. I have tried just about everything else nothing even slowed them down. Of course they are a shade plant and growing under all of my trees that lined the property and are well over 100 years old.

  • I got a large pop bottle and punctured 2 holes in the lid and added the Roundup mix into the bottle.
  • I collected several sheets of plastic and newspaper. It is my understanding as long as the chemical doesn't touch the other plants or roots they should be ok.
  • What you want to do is to apply the round up to the leaves ( no need to soak everything down) Just a few good drops to the leaves of the target plants should do the trick.
  • Use the plastic or paper to protect the other plants you want to keep. Wait a week to ten days and you should see them begin to die. Protect all plants from accidental contact. since accidents occur what I did was immediately break or cut the infected leaf then flush the plant really well with water. This worked like a charm for me.
I can honestly say I am finally winning the battle. This year I only had about 2% of the offending plants appear. I am hoping none show up next year but if one or two do survive they wont the next year.

I hope this helps if you have any further questions please feel free to ask. Happy gardening

Jun 15, 2015 | Roundup "" Weed & Grass Killer

Tip

A convenient way to kill individual weeds in your lawn


I purchase full strength roundup from places that sell fertilizers etc to farmers. I mix my own roundup per their recommendations plus a little. I fill a small eye drops bottle with my mixed roundup. I like this bottle because it has a small opening so I can squeeze out a drop at a time.. I carry the bottle of mixed roundup in my pocket, with the lid shut tight of course, and as I mow and I spot a weed I take out the bottle and place on or two drops on that weed. One drop of roundup on a leaf of a plant will kill it but I try to place one or two drops right in the middle of the plant. Roundup is fed to the root of the plant from the leaf kills the weed from the roots up. This works well because I can kill the weed without killing grass or other plants around it. Wind will not effect it because the roundup is place on the plant not sprayed on it. Roundup needs about 12 hours to work so do not water right away. Ready mixed roundup from a store may work, I have not tried it because I want to be sure the mixture is strong enough to do the job. About 4 ounces per gallon of water is recommended, I increase that to about 6 ounces. Works great.

on Apr 16, 2010 | Garden

1 Answer

I cant read the instructions


If it is extended control Round-up, it should be ready to use! Make sure not to use it close to any trees or bushes, as it can damage or kill them! (hint: add a squirt of dish soap into the container to aid in coverage on the leaves) If its concentrate, mix it at 6 fluid oz. per Gallon. Most "ready to use" containers come with a sprayer, as concentrates do not. Happy spraying!

Sep 24, 2011 | Roundup MS5700010 1GAL ROUNDUP CONTROL 1...

1 Answer

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

2 Answers

Will it and can it kill a tree


From what I understand about Roundup, it is a contact herbicide that does not affect other plants through the soil. It works best when sprayed on foliage. It has to be injected or painted full strength on trunks and stems to have much of an effect on healthy trees or shrubs. Trees take a verry long strong dosage to be hardly effected.

Jun 29, 2011 | Roundup Poison Ivy And Brush Pump 'N Go

1 Answer

I have kukuyu grass growing around my vegetable patch and I want to kill a patch of grass 30cm around the veg patch. What proportion of roundup should I use per litre and will it affect the vegetables?


Using the standard 10ml of Roundup per litre of water you can kill the grass without harming your vegetables. I would spray only on a nice calm day and use a piece of cardboard to block any over spray from reaching your veggies. Roundup works through absorption by leaves so transfer by groundwater is not a concern. Also remember more is not better with Roundup, too much just kills the leaves before they can absorb the toxin and kill the root.

Mar 30, 2011 | Roundup "" Weed & Grass Killer

2 Answers

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...


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.

Aug 04, 2010 | Roundup "" Weed & Grass Killer

1 Answer

Danger of roundup applications around tree and bush plantings


Hi , I would be very carefull around good plants. Roundup will kill almost any plant, including aquatic plants, so you want to be sure to avoid spray drift onto other plants or into water.

May 06, 2010 | Roundup "" Weed & Grass Killer

1 Answer

How to mix roundup to kill weeds


6 fluid ounces of Roundup (12 tablespoons) per gallon of water.

May 02, 2010 | Roundup ScottsRoundUp 0394560 PT...

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