Weed B Gon with Crabgrass Killer Question
gle2011
5 years ago
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gle2011
5 years agoRelated Discussions
Can Weed-B-Gon turn a lawn yellow?
Comments (7)bpgreen - Im not sure what kind of grass I have but I know its not all the same type....some areas are much thicker & more dense that other parts of the lawn and its usually the thick/dense area that gets taller faster and thus alerts me that its time to mow. I purchased the home only four years ago and have never planted any grass seed myself (I bought the house from a very elderly lady that I doubt did any grass seed planting herself). I dont know how many sqft the bottle covered but I remember that it was a 32 oz bottle. I threw the bottle away after I had finished the application but I just did an internet search for a use & directions label and found something that said 6.4fl oz per 1000sqft. The area I sprayed measures about 20'x50' on one side of the walkway and maybe 30'x50' on the other side (looks like I may have applied twice as much as I should have, if the use & directions label I found online is the correct one). Any suggestions on what I can do to "save" the grass if it turns out I over-applied? texasweed - The grass is at least four year old, does that take it out of the "young" grass category? Also, Im not sure if this might help with a diagnosis but......up until this past week, Cincinnati has had a steady flow of rainfall over the past several weeks (at least 2-3 days a week) with temperatures around the mid to upper 60's. However, this past week there was ZERO rain and the temps got up into the low 80's....See MoreWait period after applying weed-b-gon
Comments (5)"If they used a high rate you will not be able to replant anything but grass for about 9mo-a year." This is a bit on the pessimistic side :-) The active ingredients in Weed-B-Gon degrade quite rapidly in the soil......anywhere from a few days to a few weeks. To be on the safe side you could wait a month before planting but there is NO need to wait longer than that. As stated above, the herbicide must come into contact with plant foliage to be effective - it has minimal residual effectiveness if applied to the soil....See MoreIs Ortho Weed B Gon dangerous??
Comments (8)You did post in the Organic gardening forum, so you should expect everyone here to tell you it's horrible. You are talking trees and shrubs - it's unlikely even the minutest amount would make it into them. You may want to consider that bacon and processed meats are also on the International Agency for Research on Cancer (IARC) list of carcinogens and you'd have to drink the straight pesticide, I'm told by a U.C. Davis researcher - at more than a quarter tablespoon to slightly more than 1 gallon of herbicide every day for 2 years to have an exposure that’s equivalent to that of the lab animals in the tests. You'd have been better off not to try to wash it away as most of it is on the foliage of the weeds and you could collect and trash those. It's unlikely that your washing away efforts drove it into the soil much at all (if you had really sandy soil you wouldn't be growing those trees) but it's more unlikely that it will ever cause any problem for you. I'm hanging myself out to dry by saying this in this forum - I tend to follow organic practices except for minimal termite protection at the very base of my wood house in a forested area - but one application when you're talking trees and shrubs is really not a reason to panic. Just skip bacon for awhile if you're concerned about you health :-) .ps I'm not one of those folks live for argument and debate, so this is my opinion and I probably won't come back to this thread, rather a hot topic....See MoreTenacity vs. Weed-b-Gon
Comments (17)"As necessary." For most things, like chickweed or dandelion, one shot of WBG or Tenacity will take it out and that's that. If you blanket spray, I only recommend doing so just before planting with grass seed. Otherwise, new weeds will simply sprout in the newly-available and very attractive open spaces. On stuff like P. annua and P. trivialis, there I'd follow the Tenacity label. Sturdy stuff might require a second application after 2 to 3 weeks, as might a new stand of grass. I try to avoid that and never recommend it as it can harm fescues and even KBG will turn ghostly white and look terrible before it finally recovers (and not all of it necessarily will). And again, pay attention to maximum usage. For spot spraying, you're not going to approach it. For Tenacity, 16 oz per acre per year is the maximum (call it 0.35 oz per thousand square feet of concentrate). More than that can get toxic to everything and even grasses won't tolerate usage at that level!...See Moregle2011
5 years agogle2011
5 years agogle2011
5 years ago
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