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How to dispose of vegetable oil?

I've heard rumors that because it is biodegradable (since it is made from plants) it is acceptable to pour vegetable oil (cooking oil) into the garden.

Has anyone here done this? Does it attract ants? Does it harm your plants?

Update:

I know about putting cooking grease in cans and throwing it in the trash (and eventually into the landfill by extension), but what I am asking about is gallon bottles of the oil I used in my deep fryer. I don't want to have to trek to the haz-mat recycling place every time I have a gallon of cooking oil, and I don't want to have to ask a restaurant if I can dump it in their oil waste bin. I just want to know it it is environmentally safe and, let's say Kosher, to pour it into the dirt in the garden! I know you cannot do that with used motor oil (though I have seen it done in the distant past) but Alton Brown (Good Eats, FoodNetwork) said you can dump it in the flower bed.

What I want to know is whether this is really environmentally safe to do, and to corroborate the information from another source.

1 Answer

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  • 9 years ago
    Favorite Answer

    I doubt it'd attract any bugs over a long period of time, but you wouldn't want to put too much in one area. I wouldn't pour it directly on the plants, but it shouldn't harm the roots.

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