Make Your Own Aphid Spray

By plantladylin
June 9, 2013

To 1 gallon of water, add: 2 tbsp. Murphy's Oil Soap, 2 tbsp. vegetable oil, and 2 tbsp. isopropyl alcohol. Mix thoroughly and use a hose end sprayer or pour into spray bottle. When using a spray bottle, be sure to label properly with a permanent marker.

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Jun 8, 2013 7:06 PM CST
Thread OP
Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
I have no use for internet bullies!
Avid Green Pages Reviewer Keeper of Poultry Vegetable Grower Rabbit Keeper Frugal Gardener Garden Ideas: Master Level
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Inexpensive, simple to mix, gets the job done, smells great.
What more could anyone ask. Thanks for the recipe.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
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Jun 8, 2013 7:58 PM CST
Name: Susan B
East Tennessee (Zone 6b)
Charter ATP Member
Thanks for the recipe, are there any plants it should NOT be used on?
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Jun 8, 2013 8:17 PM CST
Name: Gigi AdeniumPlumeria
Florida (Zone 9b)
Adeniums Roses Plumerias Orchids Miniature Gardening Hibiscus
Region: Florida Container Gardener Garden Photography Cactus and Succulents Butterflies Garden Ideas: Level 1
Thank you for the tip. My neighbor is fighting aphids on their beautiful hibiscus. I will share this info to them.
©by Gigi Adenium Plumeria "Gardening is my favorite pastime. I grow whatever plant that catches my attention. I also enjoy hand pollinating desert roses.”
Last edited by GigiPlumeria Jun 8, 2013 8:28 PM Icon for preview
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Jun 9, 2013 7:58 AM CST
Name: Anna Z.
Monroe, WI
Charter ATP Member Greenhouse Cat Lover Raises cows Region: Wisconsin
I have a sprayer I put on the hose that I dial the amount of "whatever" per gallon of water. If I would put a large proportion of everything EXCEPT the water, (to have more in the jar) what would be the amount per gallon one would shoot for? Tho perhaps it wouldn't meter out very well since the viscosity of the Murphys and the veg. oil might make it too thick to use that way??? IDK........
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Jun 9, 2013 9:07 AM CST
Name: Pegi Putnam
Norwalk, Ca. zone 10b
Charter ATP Member Region: California Cat Lover Container Gardener Dog Lover Garden Art
Plumerias Region: United States of America Vegetable Grower
Thanks for the recipe, I'm always fighting aphids on my rose bushes.
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Jun 9, 2013 10:14 AM CST
Name: Jean
Hot Springs Vlg, AR, DeLand, F
Daylilies Region: Florida Celebrating Gardening: 2015 Garden Ideas: Master Level
Thanks for the recipe. The permanent marker on the container is a great idea, too. Although you are "sure" you will remember what's in it, chances are you won't -- especially if you have "Old Timers" like me.
Any day you wake up on the sunny side of the grass is a good day.

"The moving hand writes and having writ moves on. Neither all thy piety nor all thy wit can lure it back to cancel half a line nor all thy tears wash out a word of it." The Rubiyat by Omar Khayyam
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Jun 11, 2013 2:11 PM CST
Name: Melissa E. Keyes
St. Croix, U.S. Virgin Islands
Zone 11+
Charter ATP Member
Thank you! I have some baby Asparagus beans coming up, I'll use this on them. Durn aphids!

I would NOT use this on Adeniums--- Desert Roses. They are so fickle, and dislike most chemicles, especially a soap.
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Jun 15, 2013 7:24 AM CST
Name: Lila
North Texas (Zone 7b)
Birds Butterflies Hummingbirder Native Plants and Wildflowers Region: Texas Plant and/or Seed Trader
I need something for my milkweeds but don't want it to be detrimental to monarch & queen caterpillars! Could this be used & not leave a residue that would kill the cats if I spray it when they aren't present???
Take care,
Lila aka 'imabirdnut'
Avatar for sewNsow
Jun 15, 2013 7:24 AM CST

Garden Ideas: Level 1
For the first time I have aphids on my daylilies. Would this be a good thing to use ?
sewNsow
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Jun 15, 2013 8:26 AM CST
Name: Evey Blalock
South Louisiana - Zone 8b/9a (Zone 8b)
Cat Lover Ponds Region: Louisiana Irises Herbs Garden Art
Dog Lover Daylilies I was one of the first 300 contributors to the plant database! Clematis Roses
It seems like a good idea... and it does get the job done... but we shouldn't use Murphy's Oil Soap in an outdoor environment to freely enter the watershed. The potassium hydroxide in it is classified as a Section 311 material by the Clean Water Act. So, if you use it in a manner that isn't described on the label, you are not only potentially endangering the environment, you are breaking federal law. Crying
~Evey =)

"Grow where you are planted." - My gpa
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Jun 28, 2013 7:58 PM CST
Name: Robert B
Bradenton, Florida (Zone 9b)
Plumeria to trade!!!
Amaryllis The WITWIT Badge Tropicals Plant and/or Seed Trader Enjoys or suffers hot summers Seed Starter
Region: Gulf Coast Ponds Plumerias Hummingbirder Region: Florida Dog Lover
My adeniums thank you I tip my hat to you. nodding
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Aug 19, 2013 8:16 PM CST
Name: Rick Corey
Everett WA 98204 (Zone 8a)
Sunset Zone 5. Koppen Csb. Eco 2f
Frugal Gardener Garden Procrastinator I helped beta test the first seed swap Plant and/or Seed Trader Seed Starter Region: Pacific Northwest
Photo Contest Winner: 2014 Avid Green Pages Reviewer Garden Ideas: Master Level Garden Sages I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database.
>> be sure to label properly with a permanent marker.

Amen! I had some dilute Miracle Gro in one spray bottle, and insecticidal soap plus alcohol plus dishwashing soap in another bottle.

I forgot which was which and "watered" a plant in a quart yogurt tub with lots of soapy alcohol. Dead plant, overnight.

It wouldn't be that bad outdoors, using reasonable amounts to spray the leaves. I gave this guy a good, through watering with something that wasn't water.

Little Willy was a chemist.
Little Willy is no more.
For what he thought was H2O
was H2SO4.
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