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How Do I Get Rid Of Large Grasshoppers Eating My Plants?

I have large brown grasshoppers about an inch in length and they are devouring my plants. Particularly my flax and geranium plants potted on my front porch. I prefer not to use chemicals if possible.

Asked on Aug 9, 2010Improve / edit this question

7 Answers

Mark Spence   L3: Expert   17 answers   +34 votes
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Where do you live?

Posted on Aug 10, 2010
Louise Moore   L1: Member   3 answers   +0 votes
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I live in SE Pennsylvannia.

Posted on Aug 10, 2010
Mark Spence   L3: Expert   17 answers   +34 votes
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Here's an article from Colorado State University that talks about grasshopper control.  It recommends a product called Semaspore if you want to go organic, but only early in an infestation since it's most effective on young insects, and is slow-acting.  We used something like this in the '80s-'90s in Colorado and it does work, but not if you need the little buggers gone quickly!

Posted on Aug 10, 2010
Louise Moore   L1: Member   3 answers   +0 votes
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Thank you Mark for the article.

Posted on Aug 10, 2010
Pat Veretto   L4: Guide   104 answers   +38 votes
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You could try cooking hot peppers in water then spraying that on your plants. There is a hot pepper spray with wax that stays on the plants and deters grasshoppers and other eating insects. You should be able to find it at a garden store.

Posted on Aug 11, 2010
Louise Moore   L1: Member   3 answers   +0 votes
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Thanks Pat, that is exactly the kind of thing I was looking for.

Posted on Aug 11, 2010
Keith Sutherland   L3: Expert   27 answers   +12 votes
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Neem oil, and cayanne pepper are both great all natural repellants for crickets, this may wrok as well ~~Use Baking Soda ;Mix up 1 tablespoon of baking soda, ½ teaspoon mild detergent and 2 ½ tablespoons of olive oil in a gallon of water to make a repellent for all kinds of bugs as well as a fungicide for blight and mildew on the tomato plant leaves. Shake it well before spraying and repeat every week for it to be effective.

i have done this it they all seemed to work, peroxide seems to work as well (water in down to about 1/2 cup 3 % to one gallon water)

The BEST 

This is what I use Measurements don't need to be exact

One crushed head of Garlic

good amount of chili powder (3 tablesppons)

2 tble spoons Dish detergent

1 quart water 

some neem oil (optional)

mix all and let sit for 3 days strains, and spray on plants...those crickets will not touch it at all.

Any plant questions message me or visit us at 

www.sutherlandbotanicals.weebly.com

Posted on Jan 2, 2011

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