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Hardiness Zone: 5b
Molly from Boulder, Colorado
I wouldn't even want to speculate on what type of weed killers (homemade or commercial) would be safe to use around your horses. The labels on some commercial herbicides recommend restricting grazing for two weeks after application, some 7 days and some have no restrictions at all. Even in the case of the so-called homemade "safe" remedies, some ingredients can be toxic to some animals. Fortunately for you, one of the world's premier equine veterinary hospitals (CSU) is located in your state. I would recommend calling them for more information.
You might also visit the Colorado State University extension agency's Ag Weed pages at http://www.coopext.colostate.edu/boulder/AG/agweeds.shtml and http://www.ext.colostate.edu/PUBS/natres/03106.html.
This publication by the Table Mountain Association might also be of interest to you http://bcn.boulder.co.us/community/tma/news/11/tmaweed2.html.
By Ellen Brown
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Here are questions related to Animal Safe Weed Killer Recipes.
I have a cat who loves to eat grass. How can I kill creeping Charlie and barnyard grass without poisoning my cat?
By Joan H.
By DeBushe 08/19/2013
Pour boiling water on it - the weeds, not the cat!
I need to find something that is safe for outside dogs and doesn't kill the grass!
Is there anything out there?
By Abbey M
How can I kill weeds safely so as not to hurt pets?
Vinegar and hot water. Some people add some dish soap, but it is unnecessary as the vinegar does the job very well on it's own. A strong word of caution if your "weeds" are close to your plants, you could harm them as well if you splash or over water your vinegar mix. Reapply when you see new growth.
We have a large field with horses and there are a lot of weeds they don't bother with. They just keep growing. I want to get some grass growing in the field. How do I control the weeds without harming the horses? Please help; I don't have a lot of money and I really need to get rid of them.
By Cheryl s from Clear Spring, MD
By Sheilah Link 06/11/2012
Cut the weeds. You can use a trimmer if it has a metal blade, or, for more exercise, use a weed whip or a machete (spelling?). Don't try to do it all at once though. With rain and luck, the grass will grow. You don't say how large your field is, but a lawn mower might take care of some thick patches. Cut them off and keep cutting them off, and also chop at them with a well sharpen hoe. I realize these ideas are labor intensive, but they don't cost much and will provide exercise.
I am looking for a recipe for a weed killer I can use for my horse pasture that I apply with a boom sprayer.
By L. Woodley
How do I make an animal friendly weedkiller?
By Heather from Sunderland, UK
I use vinegar and it works very well, and it never bothers the dogs.
Is there a weed killer that can be used in an ivy covered area that won't kill the ivy?
Hardiness Zone: 6a
By Cathy from Chicago, IL
Does anyone know of a weed killer I can use that is non poisonous to my rabbit. I've tried vinegar with no effect.
By Misty (Guest Post)10/13/2008
Try Salt. Take a cheap spray bottle (Do not use an old cleaner spray bottle as it will be toxic to your pet), fill the bspray bottle about half full with salt and then pour in hot water until full. Shake the bottle until the salt has dissolved fully into the water, and then use the mixture to spray the unwanted weeds. The salt will dry the weeds up.
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What can I use to kill weeds that is not poisonous to my dogs? I am afraid if I use commercial weed killers they might lick their paws and ingest some. Thanks.
Hardiness Zone: 8b
By Kathy from Seattle, WA