Ask a Question forum: Grapefruit Seed Extract

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Name: Kim
Iowa (Zone 5a)
I kill ornamentals... on purpose.
Enjoys or suffers cold winters Spiders! Critters Allowed Birds Houseplants I helped beta test the first seed swap
Region: Nebraska Keeper of Poultry Rabbit Keeper Celebrating Gardening: 2015 Garden Procrastinator Garden Ideas: Level 2
Chillybean
Oct 20, 2015 10:07 AM CST
I use this a lot for disinfecting around the house, putting in my laundry soap, and after the Purell is gone, I will make up some hand-sanitizer with it. In trying to find more uses, I am seeing a lot of ideas for using it on plants as a pesticide, fungicide, etc.

Does anyone have any personal experience with this and what measurements do you use? The stuff is potent and I do not want to kill my plants.

Thank you so much for any replies.
Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
The WITWIT Badge I helped plan and beta test the plant database. Dog Lover Enjoys or suffers cold winters Container Gardener Seed Starter
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woofie
Oct 20, 2015 12:43 PM CST
Never thought of using that for plants! I'd imagine it would need to be a very dilute solution, tho. Many years ago, a friend recommended it as a gargle to help clear up strep throat and it only took 2 or 3 drops in a small glass of water. Worked, too. I'll be very curious to see what suggestions people have.
Confidence is that feeling you have right before you do something really stupid.
Name: Kim
Iowa (Zone 5a)
I kill ornamentals... on purpose.
Enjoys or suffers cold winters Spiders! Critters Allowed Birds Houseplants I helped beta test the first seed swap
Region: Nebraska Keeper of Poultry Rabbit Keeper Celebrating Gardening: 2015 Garden Procrastinator Garden Ideas: Level 2
Chillybean
Oct 31, 2015 7:55 AM CST
I am guessing no one here is familiar with it. There are so many references to it on line, but no details of amounts. If I remember the hand sanitizer was 1 drop GSE to an ounce of water, so maybe something less than that for plants?

Here is one site I found,
http://www.nutriteam.com/garden

I hesitate using this internally, because I do not know what their source of glycerine is. Apparently they changed their formula in recent years.
Name: woofie
NE WA (Zone 5a)
Charter ATP Member Garden Procrastinator Greenhouse Dragonflies Plays in the sandbox I was one of the first 300 contributors to the plant database!
The WITWIT Badge I helped plan and beta test the plant database. Dog Lover Enjoys or suffers cold winters Container Gardener Seed Starter
Image
woofie
Oct 31, 2015 9:56 AM CST
I have the Citricidal, heh, the same bottle I bought 25 years ago! Be interesting to try it for aphids, the bane of my existence in the winter. So that website indicates to use one ounce per gallon of water for crop spray. That seems like a lot. Although, farther down the page, they recommend a minimum 5 to 6 drops per gallon for watering. Hmmm. Sounds like that would be the better strength if using it for a preventive fungicide.
Do post more if you find additional information. It's an interesting idea.
Confidence is that feeling you have right before you do something really stupid.

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