Question about Roundup "" Weed & Grass Killer
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
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
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
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.
Posted on Aug 29, 2010
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Posted on Jan 02, 2017
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