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View Full Version : When can you walk on plants sprayed with Roundup



Don Morris
08-18-2019, 10:00 AM
I know about Non Hodg... Lymph... I just want to know when I can walk on the plants I will spray with Roundup so that I don't take residual spray to the rest of the yard. 30mins? 1 hr? Anybody with experience here? At some point I can walk on them to get to parts of the yard that the sprayed plants are either close to or are in the middle of what I need to take care of NOW. I don't want to wait 3 hours when 30mins. is enough, but if it takes 3 hours, so be it. Thanks. I am a DR. I know about the health issues. I use the stuff sparingly and carefully. But this is one topic Roundup.com doesn't give me a good answer. Thanks for any guidance, esp. from someone whose done it.

Ron Selzer
08-18-2019, 11:35 AM
the spray has to have dried on the plant and you have to have DRY, Dry shoes.
Any moisture and you chance picking up the dry residue and transferring it off of the bottom of your shoes
So no way to set a hard time that works no matter what, all dependent on moisture available at that time
I do spray commercially with proper license

Mel Fulks
08-18-2019, 12:05 PM
I think most of us spray the leaves ,and by doing that use more than what is needed. It's just the crown that needs a
single shot.

Don Morris
08-18-2019, 12:26 PM
That makes sense about the moisture and having to be DRY. I'll just have to check and be sure everything is dry including the shoes I wear. Thanks for the heads up about that. I once walked on a recently sprayed area and you could follow my foot prints the next week. Don't want to make that mistake again. Creekers rock.

Mike Henderson
08-18-2019, 12:54 PM
My experience with Roundup is that I have to cover all the leaves on weeds to kill the weeds. I've had weeds where I missed some of the leaves and those leaves were still green days later. But RoundUp does kill weeds quickly (a few hours) when you coat all of the leaves.

I only spot spray RoundUp so I never had the situation where I'd walk on it while the spray is still wet.

Mike

Bill Dufour
08-18-2019, 12:55 PM
I think they say it is rainproof in about one hour or less. To me that means it will not wash off or rub off if touched.
Bill D.

Paul F Franklin
08-18-2019, 1:03 PM
Bill, rainproof after an hour might also mean that after 1 hour enough has been absorbed by the plant that it will be effective even if it is then washed off by rain.... I don't know which interpretation is correct.

Larry Frank
08-18-2019, 7:51 PM
I think Roundup should be used with caution but not scare. I have clothes I wear outside when using it. For me, I use a tank sprayer and typically use about 3-4 gallons when I spray. I am careful to change clothes and not track it in. I also use a coarser spray so not to breath it. But these are the same precautions I use for any yard spray or fertilizer.

Bruce Wrenn
08-18-2019, 9:24 PM
When we use Round Up, we dilute the 41% to 1 oz per gallon, and add a squirt of dish washing detergent, which helps break down the oils on the leaves of plants. We buy generic from local farm supply store which offers two different formulations. One has surfactant added and other doesn't . Both come in five gallon jugs, which we split with neighbors. Only goes into containers labeled Round UP.

Kev Williams
08-19-2019, 1:59 AM
What Larry said-- wear shoes and clothes- at least shoes- for grunging around outside, and leave them outside-

Jerome Stanek
08-19-2019, 6:59 AM
I think he wanted to know how long before it is safe so as to not kill other areas that he walks on.

Mark Carlson
08-19-2019, 7:46 AM
When you reach down to spray the weed put the roundup bottle in your left hand, and with your right pull the weed. Put the unused roundup back in the shed. Now you dont need to worry if your'e poisoning yourself and everything else in your environment. This is what I've decided to do on my property.

Ole Anderson
08-19-2019, 7:55 AM
Your lawn can get ugly if you track Roundup on your shoes. I know. But you learn fast. Other issue is that my sprayer dribbles, so I now make sure it is done dribbling before moving to another area.

BTW GMO crops have been genetically modified so that only the weeds are killed by the glyphosate and not the modified crop. Farmers may use hundreds of gallons per year to spray entire fields and have been doing it for decades. Where are the farmers with non-hodgkins? I am getting really tired of the attorney ads popping up everywhere. They were able to convince a few uneducated juries which then enabled them to start a whole new business model.

Alan Rutherford
08-19-2019, 12:12 PM
Not an answer to your question but something to think about re Roundup and anything else you put on your lawn or landscaping: Once it's inside your house, it doesn't break down. You need to be extremely careful what you bring inside the house on shoes and clothes, especially if you have carpets and small children.

Darcy Warner
08-19-2019, 1:02 PM
My house would be a toxic wasteland to everyone here with the amount of disgusting I drag in on me.

Bruce Wrenn
08-19-2019, 9:07 PM
When you reach down to spray the weed put the roundup bottle in your left hand, and with your right pull the weed. Put the unused roundup back in the shed. Now you dont need to worry if your'e poisoning yourself and everything else in your environment. This is what I've decided to do on my property.How does that work on poison ivy? Not so good, I bet.

Mel Fulks
08-19-2019, 9:28 PM
Yeah,Bruce. Not lethal to poison ivy. Even brush kill products available from big box places are weaker than they used to be and don't work well. I bought a gallon of a brush kill that is mainly sold to farmers. Its the real stuff. The American
Indians worked to keep PO down, but we have neighbors who form posses to kill English Ivy and declare PO a native plant
good for the birds !

Tom M King
08-19-2019, 9:28 PM
I've been telling my Mother for decades that she's too cavalier with chemicals. She uses weed killers, fungicides, insecticides, and anything at all that will let her grow brilliant Roses to take to church. I've seen her wipe spray splatter off of her glasses with her skirt. I've done my best to tell her to be more careful, but you can't tell a 103 year old woman anything.

Mike Henderson
08-19-2019, 9:31 PM
I've been telling my Mother for decades that she's too cavalier with chemicals. She uses weed killers, fungicides, insecticides, and anything at all that will let her grow brilliant Roses to take to church. I've seen her wipe spray splatter off of her glasses with her skirt. I've done my best to tell her to be more careful, but you can't tell a 103 year old woman anything.

Yeah, all that stuff will cut her life short:)

Mike

Mark Carlson
08-20-2019, 7:39 AM
I wear gloves and cover up when dealing with poison ivy. My point was 99% of roundup use is laziness. Its a product that shouldn't never have been created. Why poison yourself to kill something thats doing you no harm. It's crazy to spray this stuff all over the place and think its not getting into your house and ground water.


How does that work on poison ivy? Not so good, I bet.

Günter VögelBerg
08-20-2019, 3:32 PM
We don't have much poison ivy around here but we do have bindweed, and the only moderately effective way I have found to deal with it is to take the concentrated glyphosate and dilute it to about half strength and fill up a big can or other container. Ball up the bindweed and shove it in the container and place a concrete paver on top. As the plant sucks up the chemical it will begin to die. It is important to dilute it so it gets through the vascular system before killing it.

I don't use it on things I can pull up with moderate work. But the bindweed is different. I'd use napalm if I could.

Tom M King
08-20-2019, 8:15 PM
Those that believe pulling weeds is good enough to get rid of them are very much welcome to come tackle the Johnson Grass that the state spreads along our 3 miles of road frontage. It's very nice of the state to keep it cut, but they spread the seeds all over the country. Johnson Grass not only spreads by the seeds, but runs roots all under the ground, if allowed to live. If allowed to go to seed, birds will spread it a quarter mile away, and then it multiplies again from there.

That's just one of the things that I fight with chemicals here. We keep a few acres around the house chemical free, but the rest is a no contest zone.

Larry Edgerton
08-21-2019, 5:48 AM
I've been telling my Mother for decades that she's too cavalier with chemicals. She uses weed killers, fungicides, insecticides, and anything at all that will let her grow brilliant Roses to take to church. I've seen her wipe spray splatter off of her glasses with her skirt. I've done my best to tell her to be more careful, but you can't tell a 103 year old woman anything.


:D:D:) Dry humor, I can appreciate that.

I brought in 30 yards of supposedly composted cow manure to my garden and have had a crab grass problem ever since. I have tried everthing, hours and hours of pulling and BAM!, it always comes back. Tried 6 months under black plastic, tried spraying with a steam cleaner. I am going to segregate the garden [large] and make 2/3 an orchard so I only have to fight it in a smaller area, but at the end of this season I will Roundup the whole thing, I'm just over it.

Bruce Wrenn
08-21-2019, 9:36 PM
As for farmers spraying "Round Up" on crops, many weeds are now "Round Up" ready also

Günter VögelBerg
08-22-2019, 1:01 PM
Those that believe pulling weeds is good enough to get rid of them are very much welcome to come tackle the Johnson Grass that the state spreads along our 3 miles of road frontage. It's very nice of the state to keep it cut, but they spread the seeds all over the country. Johnson Grass not only spreads by the seeds, but runs roots all under the ground, if allowed to live. If allowed to go to seed, birds will spread it a quarter mile away, and then it multiplies again from there.

That's just one of the things that I fight with chemicals here. We keep a few acres around the house chemical free, but the rest is a no contest zone.


I too have this grass in my front yard...among my ornamental grasses, so my only option is pulling. But if I ever get my hands on that Johnson...