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PREVENTATIVE POWDERY MILDEW SPRAY
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HSwantabe
115 Posts
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11
May 17, 2012 - 9:55 pm

OK ( yawn) set alarm clock for 5 am then Cool I try never to water at night because I knew it caused problems Confused but was wishing that this could go on later at night Laugh

Indiana, zone 5

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HSwantabe
115 Posts
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12
May 20, 2012 - 6:58 pm

Ugh............was too late. Went out to spray and it has powdery mildew on it. Now what? I sprayed it, but is it just to prevent, or can it help get rid of? Darn it, so much to do 🙁

Indiana, zone 5

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Im A Dork Fish
NW Suburbs of Chicago, Zone 5b
174 Posts
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13
May 21, 2012 - 10:06 am

Which perennials are using susceptible to this?  Not sure, if I have ever noticed this.

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HSwantabe
115 Posts
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14
May 21, 2012 - 9:11 pm

I know roses are, and also some phlox. I am not thinking of anything else right now 🙂

Indiana, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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15
July 1, 2013 - 8:08 pm

My Honeysuckle Vine is starting to have powdery mildew.  As soon as the sun was off of that area, I sprayed it with the mixture of 1 gallon water, 1 tablespoon baking soda and 1 teaspoon Dawn dish soap.  I will now be starting to do maintenance spraying with this mixture. Especially Phlox, Asters and Heliopsis.

Dousman, Wisconsin, zone 5

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KeyWee54
Western Kentucky Zone 7a
616 Posts
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16
July 2, 2013 - 6:12 am

Have you ever tried the one part whole milk to nine parts water spray as recommended by the Garden Guy?  I have heard that it works and am curious.

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Lark
Wisconsin zone 4/5
2280 Posts
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17
July 18, 2013 - 5:41 am

Here in my part of Wisconsin, it has  been hot and humid. The gardens are very lush and the air circulation is poor. This means I better get out there and spray with BAKING SODA AND DISH DETERGENT. It takes about 6 gallons to do most of the garden. The hardest part of doing this is carrying the full sprayer. I think I will look for a golf bag caddy at a thrift shop to put the sprayer on, so I don't have to carry it. Off I go. I need to put on my mosquito gear. Those bugs are nasty with all this heat and humidity.

Dousman, Wisconsin, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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18
August 9, 2013 - 7:42 am

This is such a SIMPLE way to control and combat powdery mildew. I gave another application of this simple mixture of baking soda (1 tablespoon) to one gallon of water to my whole garden. Concentrating mostly on LATE BLOOMING plants, they get an extra dose...on top, under and in the foliage. The other plants in the garden I just spray high and wide so it like rains on the entire garden. My honeysuckle vine REALLY needed it badly. I also sprayed the pumpkins, cukes and squash.  It really helps control, but if the plant already has powdery mildew I remove what bad leaves I can and really spray hard on the ones that are DOTTED with powdery mildew.  It works for me.

Dousman, Wisconsin, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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19
August 29, 2013 - 9:09 pm

My tomatoes in my flower garden have the blight.  I over head watered them and I think that did it!  I sprayed my tomato and cucumber plants that are in the west veggie garden with this baking soda and dish soap today and I will do it again tomorrow and Saturday. I  I have seen some leaves with the fungal circle...Cry.  I am hoping that I can slow the spread of the disease. I also sprayed the pumpkins.

Dousman, Wisconsin, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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20
August 15, 2014 - 9:10 pm

This time of the year I make sure I spray all my gardens at least weekly with the HOMEMADE POWDERY MILDEW SPRAY.  So cheap to make. One gallon of water, 1 tablespoon baking soda and 1/2 - 1 teaspoon dish soap. I sprayed this morning. I do this as a preventive measure.

 

If I do have powdery mildew, I make sure I spray the plant heavily and spray for a couple days in a row. 

 

Hope this helps you are a healthier garden.

Dousman, Wisconsin, zone 5

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