Peonies forum: Peonies wih good foliage throughout the growing season

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Name: Carol Sandt
Lancaster County, Pennsylvania (Zone 6b)
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csandt
Sep 19, 2015 1:45 PM CST
I am noticing huge differences between the peonies in my garden in how their foliage looks now as the growing season comes to a close. The foliage of some is just as green and clear of spots as it was in early spring. Others have black spots and/or mildew on fading foliage. Some are even turning brown and shriveling up.

What cultivars in your garden have foliage that is looking good now?
Carol Sandt

"Experience is the name we give to our mistakes.” - Oscar Wilde
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Sep 19, 2015 6:14 PM CST
Coral Fay still looks good here.
Name: Lily Martagon
Du Page County Illinois (Zone 5a)
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sgardener
Sep 20, 2015 2:46 PM CST
Butter Bowl, Shirley Temple and Requiem.
springfield MO area (Zone 6a)
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Frillylily
Sep 20, 2015 3:01 PM CST
My peonies foliage all turned really brown, shriveled up and look awful.
Is that a fungus? I just assumed they all did this, do some of them not do that?


Name: Karen
Southeast PA (Zone 6b)
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kousa
Sep 20, 2015 3:06 PM CST
At about this time, all of my peony foliage look pretty bad. I don't see anything that is lush and green. Most have turned color. I had started cutting them down since the start of Sept.
Name: Liz Best
Elizabeth Colorado (Zone 4b)
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LizinElizabeth
Sep 20, 2015 3:46 PM CST
Most of mine have died back and those few that haven't don't look that great. I stopped watering a couple of weeks ago when our night temps dropped to the 50s
Liz
Name: Arlene
Southold, Long Island, NY (Zone 7a)
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pirl
Sep 20, 2015 5:56 PM CST
Is it coincidence that the first peony to bloom here is Coral Charm (5/23) was also the first to get browning of the leaves? I cut it back gradually until it made no sense to cut three leaves a day and cut the entire plants to the ground. Others have either been cut down or soon will be.
Name: Karen
Southeast PA (Zone 6b)
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kousa
Sep 20, 2015 6:50 PM CST
Arlene, Coral Charm is the first of the foliage to brown for me too. You should just cut them off when they start to do that. Once it gets to that stage, it is not generating anymore food for the plant so cutting them down the sooner the better.
Name: Arlene
Southold, Long Island, NY (Zone 7a)
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pirl
Sep 20, 2015 6:55 PM CST
Good! Exactly what I wanted to hear and that's how I'll proceed next year. Thanks, Karen!
Name: Jerry
Salem, IL
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Oldgardenrose
Sep 20, 2015 7:57 PM CST
I have found sun versus shade has much to do with longevity of peony foliage. I have three of the same cultivar, white with red flecks and nice thick stems. One in full sun, one in 75% sun, and one in 75% shade. Full sun went first, mostly sun went second, and mostly shade was still lush and green when I cut it recently. My peonies usually develop powdery mildew when they begin to dry and wither so I cut them when they turn gray.
Name: Lily Martagon
Du Page County Illinois (Zone 5a)
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sgardener
Sep 21, 2015 6:26 AM CST


I took a pic of ST yesterday afternoon. I thought I could reply from work last night but I haven't got the chance. Planted in full sun.
Name: Tracey
Wisconsin (Zone 5a)
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magnolialover
Sep 21, 2015 7:34 AM CST

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I think tree peonies have nicer foliage that holds up throughout the season, much more so than any herbaceous ones. That said, Jerry has it correct. The sun can be very hot in my climate and the peonies with 50-75% shade hold up the best and the longest. Fernleaf always dies back for me midseason.
Tracey
Name: Jerry
Salem, IL
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Oldgardenrose
Sep 21, 2015 7:59 AM CST
Also, as an added bonus, peonies in some shade retain their blossoms longer than those in full sun. The exception is the fern leafs which require full sun but, since they bloom very early, heat is not an issue.
springfield MO area (Zone 6a)
I was one of the first 300 contributors to the plant database! Plant Identifier
Frillylily
Sep 21, 2015 9:21 AM CST
Mine are all in full sun and turned brown totally look awful.
They are all older varieties, just some full double white ones when we bought our last house and I am sure have been there forever. I was so disappointed with the foliage.
Name: Arlene
Southold, Long Island, NY (Zone 7a)
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pirl
Sep 21, 2015 9:33 AM CST
Mine also looked so bad that it spoils too much of the view, so I intend to plant several Autumn Joy sedum in the peony garden. Then, next year, I can cut back the foliage without guilt and enjoy the sturdy sedum.
Name: Annette
Duluth, Ga (Zone 7a)
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Cem9165
Sep 24, 2015 12:18 PM CST
Hi CS,

Here are a few more plants that look decent through the season. They're just starting to go dormant due to the cooler weather we've been having.

Lady Orchid


Do Tell
Thumb of 2015-09-24/Cem9165/7983ab

Sorbet
Thumb of 2015-09-24/Cem9165/5b4d10

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author unknown
Toronto, Ontario (Zone 5b)
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Jasmin
Sep 28, 2015 3:23 PM CST
I use garden peonies as ground cover. Mine are in semi or complete shade, and they still look ok like these two below. There is only one (of nine) with a little bit of powdery mildew (second picture.)

Thumb of 2015-09-28/Jasmin/61bfdc

Thumb of 2015-09-28/Jasmin/84594a

"Look deep into nature, and then you will understand everything better."~Albert Einstein
Name: Louise Alley
Central Maine, Waterville (Zone 5a)
BillAlleysDLs
Sep 29, 2015 12:06 PM CST
Anyone have experience applying fungicides for grey mold or botrytis? I have old plants that have increasing problems with black spots on the leaves and eventually the stem and rest of the plant shrivel and turn black. Suggestions are appreciated!
Name: Arlene
Southold, Long Island, NY (Zone 7a)
I was one of the first 300 contributors to the plant database! Tomato Heads Houseplants Garden Ideas: Level 1 Photo Contest Winner: 2014 Celebrating Gardening: 2015
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pirl
Sep 29, 2015 2:58 PM CST
Some people use milk while others use baking soda. I've only used the pruners.
Name: Leslie
Chapin, SC (Zone 7b)
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Lalambchop1
Sep 29, 2015 7:21 PM CST
I'm brand new to peonies and am planning a hedge in my front bed. Are they going to look OK when not in bloom?
Leslie

As for me and my house, we will serve the Lord. Joshua 24:15

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