Peonies forum: leaf spots on peonie

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ldj1002
Jun 21, 2015 10:45 AM CST
I've had record rainfall this year and hope this is the cause of leaf spots. What else might it be?
Thumb of 2015-06-21/ldj1002/5ac2b4

Name: Karen
Southeast PA (Zone 6b)
Celebrating Gardening: 2015
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kousa
Jun 21, 2015 3:22 PM CST
This usually happens to my peonies in August. It is probably too early for this to be happening to your peony if you are located in my zone. Though if you are in a warmer zone, it is probably normal Hopefully you have good drainage where your peony is planted and the yellowing is not due to rot. Best thing that you can do now is cut off the peony foliage, clear the weeds so that the plant has better air circulation, and mulch to keep the roots cool.
Name: Peggy
Missouri (Zone 6a)
Pied Piper of Weeds
Daylilies Dragonflies Roses Lilies Plant and/or Seed Trader Peonies
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hazeleyes
Jun 22, 2015 7:41 PM CST
Mine do that every year it seems ,not sure what it is though.never gave it a thought since they always came back every year.
If you would have a mind at peace, a heart that cannot harden, go find a door that opens wide upon a lovely garden.
https://www.facebook.com/pages/Missouri-Wildflowers/40601218...
Name: Jerry
Salem, IL
Charter ATP Member
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Oldgardenrose
Jun 22, 2015 8:02 PM CST
I learned long ago to never water the foliage on peonies. They will spot and burn much as the one pictured. Rain water does not cause them to spot but tap water will. It may be the chlorine in the water. I use a leaky bucket to water under the foliage.
Name: Peggy
Missouri (Zone 6a)
Pied Piper of Weeds
Daylilies Dragonflies Roses Lilies Plant and/or Seed Trader Peonies
Winter Sowing Permaculture Irises Keeper of Poultry Cottage Gardener Bee Lover
Image
hazeleyes
Jun 22, 2015 8:32 PM CST
Never watered mine,we have had a ton of rain though.
If you would have a mind at peace, a heart that cannot harden, go find a door that opens wide upon a lovely garden.
https://www.facebook.com/pages/Missouri-Wildflowers/40601218...
Name: Peggy
Missouri (Zone 6a)
Pied Piper of Weeds
Daylilies Dragonflies Roses Lilies Plant and/or Seed Trader Peonies
Winter Sowing Permaculture Irises Keeper of Poultry Cottage Gardener Bee Lover
Image
hazeleyes
Jun 22, 2015 8:35 PM CST
Peony Blotch
http://www.missouribotanicalgarden.org/gardens-gardening/you...
If you would have a mind at peace, a heart that cannot harden, go find a door that opens wide upon a lovely garden.
https://www.facebook.com/pages/Missouri-Wildflowers/40601218...
Name: Jerry
Salem, IL
Charter ATP Member
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Oldgardenrose
Jul 3, 2015 6:09 PM CST
Some time ago, we discussed 'Roselette'. My plant always becomes covered with a gray dusty material. Doesn't appear to be a problem since it does very well each year.
Thumb of 2015-07-04/Oldgardenrose/83f673


Thumb of 2015-07-04/Oldgardenrose/a51224

I finally remembered the common name for the gray substance. I think it is powdery mildew or something like that.

[Last edited by Oldgardenrose - Jul 3, 2015 8:38 PM (+)]
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Name: Frank Richards
Clinton, Michigan

Garden Ideas: Master Level Celebrating Gardening: 2015 Plant Identifier
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frankrichards16
Jul 5, 2015 4:48 AM CST
We have had record rainfall in Michigan this year. I have many peonies with mildew. More than normal.

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