Daylilies forum→Stella d'Oro buds not maturing, dying, not blooming

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Nebraska
dsteeleomaha
Jun 6, 2021 9:11 AM CST
Hi from Nebraska, Growing zone 5.
This is the 2nd and third year to have Stella in my garden. Right now, all my plants have tons of scapes, with lots of buds. On one plant in particular, I noticed today the buds are not maturing. Clusters of buds are simply dying. This plant is in a corner with plenty of space between it and the next Lilly so, it's definitely not over crowded and the plant looks otherwise healthy. Can anyone tell me what what is going on with this plant? Is it diseased? Should I dig it up and replace?

Any advice or resources you can point me to would be greatly appreciated.

Thanks
~Deb
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Name: Luis
Hurst, TX, U.S.A. (Zone 8a)
Dog Lover Region: Texas Salvias Roses Hibiscus Plumerias
luis_pr
Jun 6, 2021 12:35 PM CST
I would check the soil moisture and check for thrips (they feed on buds).

https://hgic.clemson.edu/facts...
[Last edited by luis_pr - Jun 9, 2021 7:51 PM (+)]
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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Jun 6, 2021 2:03 PM CST
I see this quite often, it may be related to hot and dry weather (which could also favour thrips) but it just seems to be something daylilies do. I would be more concerned if any buds started becoming fat and swollen.
Name: Larry
Enterprise, Al. 36330 (Zone 8b)
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Seedfork
Jun 9, 2021 4:07 PM CST
@sooby,
What would be the concern if the buds started becoming fat and swollen?
Nebraska
dsteeleomaha
Jun 9, 2021 4:39 PM CST
Seedfork said:@sooby,
What would be the concern if the buds started becoming fat and swollen?

Yes, I was wondering about this as well.
Nebraska
dsteeleomaha
Jun 9, 2021 4:42 PM CST
luis_pr said:I would check the soil moisture and check for thrips.


Checked, no thripes.
Nebraska
dsteeleomaha
Jun 9, 2021 4:44 PM CST
So, looks like some are maturing and blooming and look just fine. I guess I won't worry about it unless all the others in my garden start doing this as well.

Thanks for the replies. Much appreciated.
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
Region: Canadian Keeps Horses Dog Lover Plant Identifier Garden Sages
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sooby
Jun 9, 2021 5:29 PM CST
Seedfork said:@sooby,
What would be the concern if the buds started becoming fat and swollen?


Daylily gall midge:
https://daylilies.org/daylily-...

Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Composter Daylilies Garden Photography Million Pollinator Garden Challenge Garden Ideas: Master Level Plant Identifier
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Seedfork
Jun 9, 2021 5:42 PM CST
Thank goodness, that is one thing we don't have here yet!
Nebraska
dsteeleomaha
Jun 9, 2021 6:32 PM CST
Nope don't have issue Ewe!
Name: Elena
NYC (Zone 7a)
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bxncbx
Jun 10, 2021 5:03 AM CST
I have the same exact thing happening on one clump of my earliest bloomer, Butterscotch Ruffles.

The first bloom is today but I'm not sure how many more I'll get. Pretty much all my other daylilies are fine though. Not sure what caused it but the other clump looks perfect.


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Name: Nan
southeast Georgia (Zone 8b)
Keeps Horses Daylilies Region: Georgia Birds
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DeweyRooter
Jun 10, 2021 5:18 AM CST
Ugh. I suppose it is just a matter of time before daylily gall midges spread throughout the U.S. Sad
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
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sooby
Jun 10, 2021 5:44 AM CST
DeweyRooter said:Ugh. I suppose it is just a matter of time before daylily gall midges spread throughout the U.S. Sad


Unfortunately, yes, or at least in climates where it can survive and we know it can survive very cold ones, not so sure about hot places. It's not a strong flyer (or should that be flier?) so it will more quickly spread from place to place if people bringing in new daylilies don't follow the recommendations in the Daylily Dictionary article above.

[Last edited by sooby - Jun 10, 2021 5:45 AM (+)]
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Name: Alan
Merseyside
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pikaia
Jun 18, 2021 3:35 AM CST
Here in the UK the midge is everywhere, so I knew the answer before I opened the thread. If you open up a bud you will find lots of small maggots in a watery liquid. I have tried systemic insecticide, but it is only partly effective at best. Over the past couple of weeks I have removed large numbers of affected buds. I haven't tried insect repellants , but I am not very optimistic. Fortunately the later blooms will not be affected, and so I have avoided buying early varieties, but I am resigned to always having the problem.
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
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SonoveShakespeare
Jun 18, 2021 6:34 AM CST
Welcome! @dsteeleomaha I'm also a Nebraskan. Hurray!

We've had so much hot weather lately. So it is normal for daylily buds to shrivel up and burn. Watering your daylilies may help prevent shriveled and burnt buds.
Not only people give others signs, but plants do too.
Name: Ian McBeth
Lincoln, NE (Zone 5b)
Try Naturalizing perennials! :)
Plant Lover: Loves 'em all! Amaryllis Irises Daylilies Lilies Foliage Fan
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SonoveShakespeare
Jun 18, 2021 6:39 AM CST
sooby said:

Unfortunately, yes, or at least in climates where it can survive and we know it can survive very cold ones, not so sure about hot places. It's not a strong flyer (or should that be flier?) so it will more quickly spread from place to place if people bringing in new daylilies don't follow the recommendations in the Daylily Dictionary article above.



That just scares me.
I would just dead-head the affected blooms and burn them, so they don't spread.

Not only people give others signs, but plants do too.
[Last edited by SonoveShakespeare - Jun 18, 2021 6:40 AM (+)]
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Name: Elena
NYC (Zone 7a)
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bxncbx
Jun 18, 2021 8:01 AM CST
Well, mine are definitely not caused by the dreaded gall midge. Several of the buds have bloomed and are completely distorted but not watery or soft. The petals are really thick and stiff so the blooms don't open properly. Today one did open fairly normally. But almost every scape has had all the buds turn brown and shrivel up. It isn't lack of water because we've been having lots of rainfall. Plus Quit Fussing is right next to it and is blooming better than it ever has before.

Wish I knew what caused it. It looks like a few other daylilies may lose some buds too but not to the extent of Butterscotch Ruffles.
Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Composter Daylilies Garden Photography Million Pollinator Garden Challenge Garden Ideas: Master Level Plant Identifier
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Seedfork
Jun 18, 2021 8:10 AM CST
Any type of chemicals been used in that area, that could have gotten on that one without getting on the others?
Name: Elena
NYC (Zone 7a)
Daylilies Spiders! Plant and/or Seed Trader Winter Sowing Hybridizer Peonies
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bxncbx
Jun 18, 2021 8:41 AM CST
No chemicals used in my garden and no way for anyone else to use a chemical and it not impact every other daylily nearby. My plants are only 5-6 inches apart at most.

I do have a seedling that is nearby that is opening a bud that looks very similar to the distorted blooms of BR. But that seedling shouldn't even have a bloom now since it has always bloomed mid-late. The fan is small and none of the larger fans have scapes yet. I figured it was some oddity (I've had this seedling since 2014 and it has never bloomed from fans this small or this early) so I shouldn't expect the flowers to be normal. Time will tell if the other buds are normal.
Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
Region: Canadian Keeps Horses Dog Lover Plant Identifier Garden Sages
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sooby
Jun 18, 2021 2:51 PM CST
Elena, a couple of bugs that can potentially cause bud abortion are the tarnished plant bug and Lopidea confluenta. Both are pictured in the Daylily Dictionary.

In your picture there are scars on the buds that are usually attributed to thrips but it could be from something else.

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