Ask a Question forum: Kaolin clay for insecticide ?

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Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
May 19, 2017 5:31 PM CST
Has anybody tried kaolin clay for insect control ?
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
May 19, 2017 5:37 PM CST
I have not used it but here is a link to show that it is effective against 100 types of insects, is considered 'organic' and is 95% kaolin clay. I live in Georgia where the clay is mostly used to make china and in the manufacture of paper. I would use it on fruit trees...if my fruit trees would just grow a bit more. Here is the link for Surround WP:
https://www.planetnatural.com/...

Edited to add info.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
[Last edited by greene - May 19, 2017 5:51 PM (+)]
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Name: Cindy
Hobart, IN zone 5
aka CindyMzone5
Celebrating Gardening: 2015 Plant Identifier
Shadegardener
May 19, 2017 5:45 PM CST
Brand of kaolin I've heard of is Surround. DD used it on her apple tree (as high as she could reach) with some success.
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize that we can't eat money. Cree proverb
Name: Rick R.
near Minneapolis, MN zone 4a
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Leftwood
May 20, 2017 4:29 PM CST
My neighbor used it on his apple tree (while he had it). Compared to the prior years, the clay worked fairly well, but not completely. I'd say it is worth it. My only concern is what those super fine particles might do to the soil structure under the tree with long term use, say, ten years. Might it turn the soil to muck in the wet spring and cement in the dry summer?
Name: Cindy
Hobart, IN zone 5
aka CindyMzone5
Celebrating Gardening: 2015 Plant Identifier
Shadegardener
May 20, 2017 4:55 PM CST
Re: affect on soil - I would guess that most of the kaolin ends up on leaves and fruit which would generally be removed from the tree/ground in the fall. Some might wash off onto the soil but I don't think it would have that much effect over time. The soil under fruit trees is never undisturbed for long, especially if grass is growing under the tree or mulch is used.
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize that we can't eat money. Cree proverb

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