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PREVENTATIVE POWDERY MILDEW SPRAY
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Lark
Wisconsin zone 4/5
2280 Posts
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June 13, 2011 - 6:41 am

Another chore I did this morning BEFORE THE SUN HITS THE PLANTS, is spray all my plants and bushes that are prone to POWDERY MILDEW & BLACK SPOT. I use 1 gallon of water, add 1 TABLESPOON  baking soda and then 1/2 teaspoon of dish detergent (biodegradeable). I add the soap LAST otherwise you will get alot of suds. Spray the entire plant, if possible even underside of leaves.

I start using this spray around June, here in Wisconsin. If you are located where it is warmer, I would start spraying earlier. The warm and wet weather is what produces these diseases. I try to spray every 2 weeks. If it rains before 2 weeks, I spray after the rain.

Dousman, Wisconsin, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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July 19, 2011 - 4:05 am

This morning the dew count is lower than it has been lately. It is barely light out, 5 a.m. and I am getting ready to go out and spray my baking soda mixture. The conditions for mildew growth are ideal... so I want to PREVENT it. I want a nice looking LATE SEASON garden.Wink

Dousman, Wisconsin, zone 5

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HSwantabe
115 Posts
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3
April 7, 2012 - 10:06 pm

Thanks for sharing your homemade remedies. It is so much cheaper than the ones you buy 🙂 and something I always have on hand 🙂 Can you tell me when you start spraying? When does black spot normally start? etc.?

Indiana, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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April 8, 2012 - 5:13 am

Here is Wisconsin I start spraying and June. It all depends on where you are located. The warmer & wetter you are, the sooner the disease starts.

Dousman, Wisconsin, zone 5

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KeyWee54
Western Kentucky Zone 7a
616 Posts
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5
April 8, 2012 - 6:47 am

Although it's nice that we had NO winter this year and an early spring, unfortunately, that has caused the pests and diseases to overwinter too, and they have a head start on the rest of us.  Ack.  I noticed black spot, aphids, lacewings, mildew, and scale in the yard already.  It may be necessary to roll out the BIG guns this summer, much as I hate to do it.  

Lark, your biggie castors were mailed yesterday.  Mine are up about 8" already, but are in pots and that's a good thing.  Probably going to have to put them in the building tomorrow night.  While we don't expect a freeze, 37 is something they won't enjoyYell.

Have a Happy Easter Sunday! 

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HSwantabe
115 Posts
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6
April 8, 2012 - 9:35 pm

Very true on the bugs, and disease! I am in Indiana, and I havent noticed anything YET on anything, but maybe I am just missing it! Key, what is the big guns that you might end up wanting to use?? Just curious!Cool

Indiana, zone 5

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KeyWee54
Western Kentucky Zone 7a
616 Posts
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7
April 9, 2012 - 11:12 am

Big guns is called Tempo.  It is a concentrate that I get from the local farm co-op.  I only use it when I absolutely have to.  It is pricey ($40 for a small bottle) but you mix it with lots of water.  You have to be careful where you spray it ~ I don't want to lose my bees!!

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HSwantabe
115 Posts
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April 9, 2012 - 12:51 pm

Key, I've never heard of that one 🙂 I will have to look at my co-op......hate using anything that isn't natural, but that is how it is sometimes!

Do any of you use vinegar, then salt on areas you want to get rid of weeds where animals would be? I have horses, and I don't want anything that isnt natural near their pastures.

Indiana, zone 5

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HSwantabe
115 Posts
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9
May 17, 2012 - 4:45 pm

Lark, Can you spray your roses in the evening? or does it need to be early AM before sun hits? My spray bottle is in hand Laugh It is ready to spray, spray, spray Cool

Indiana, zone 5

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Lark
Wisconsin zone 4/5
2280 Posts
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10
May 17, 2012 - 8:39 pm

I do my spraying in the early morning.  Wet & dampness at night is what causes a lot of fungal diseases.

Dousman, Wisconsin, zone 5

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