Daylilies forum→What is wrong with my daylily leaves?

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Name: Alma
Ferriday, Louisiana (Zone 8b)
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alma47
Mar 28, 2021 6:15 PM CST
quite a few of my daylilies leaves look like these. Light green with dark green stripes.
Thumb of 2021-03-29/alma47/af07bf


Thumb of 2021-03-29/alma47/35aeaa

Name: Larry
Enterprise, Al. 36330 (Zone 8b)
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Seedfork
Mar 28, 2021 9:07 PM CST
What is the whitewash looking material on the leaves? Those dried out whiteish looking areas on the leaves look a lot like the result I got when I sprayed my daylilies with weed killer. I am not saying the have been poisoned but that is what it reminds me of. Of course mine looked much worse, and the leaves starting streaking and then turning yellow.
Name: Sue
Ontario, Canada (Zone 4b)
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sooby
Mar 29, 2021 5:23 AM CST
Yes it does look like something has been sprayed or splashed on the leaves and damaged them, as Larry said. But the yellow/green striping is called interveinal chlorosis. Since it looks somewhat worse on the younger leaves it is likely a micronutrient deficiency related to the soil pH and/or cold soil. Some daylily cultivars seem quite sensitive to the soil pH being too high, do you know what your soil pH is?

Interveinal chlorosis
https://daylilies.org/daylily-...
Name: Alma
Ferriday, Louisiana (Zone 8b)
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alma47
Mar 29, 2021 10:52 AM CST
The white on the leaves is from spraying with Daconil, and No I don't know what the pH is, and the younger leaves do look a lot paler green, almost yellow. I am in Louisiana but we have had lots of rain so maybe the soil has not warmed up very much yet. Thanks you both for the replies.
Name: Valerie
Ontario, Canada (Zone 4a)
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touchofsky
Mar 29, 2021 12:14 PM CST
I sometimes see that with a few of my daylilies in spring before the soil warms up. I usually give them a watering with a water soluble fertilizer, containing iron. I don't know if it is necessary, but I figure it can't hurt!
Touch_of_sky on the LA
Name: Orion
Boston, MA (Zone 6b)
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plasko20
Mar 29, 2021 12:33 PM CST
touchofsky said:I sometimes see that with a few of my daylilies in spring before the soil warms up. I usually give them a watering with a water soluble fertilizer, containing iron. I don't know if it is necessary, but I figure it can't hurt!


Iron sounds like a fantastic idea if it is chlorosis. I add iron to my roses when those leaves get chlorosis. Worked wonders for that species.
There is a good fertilizer out there for petunias and/or vincas which really need a lot of iron to thrive. Pricey though. Buying ferrous sulfate powder is much cheaper (not sure on efficacy, however).

A note to add: Sooby was right. It seems like a pH issue. Ferrous sulfate is supposed to transiently acidify your soil (not unlike the aluminium sulfate that people add to hydrangeas, but is far less toxic than aluminium sulfate which for example would kill an azalea or rhododendron, but the ferrous sulfate would not).
Gardening: So exciting I wet my plants!
[Last edited by plasko20 - Mar 29, 2021 12:45 PM (+)]
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Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Composter Daylilies Garden Photography Million Pollinator Garden Challenge Garden Ideas: Master Level Plant Identifier
Celebrating Gardening: 2015 Region: Alabama
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Seedfork
Mar 29, 2021 12:46 PM CST
I was just reading up on interveinal chlorosis and it is different that chlorosis, chlorosis it seems is caused by a nitrogen deficiency. With chlorosis the entire leaf turns yellow along with the veins.
[Last edited by Seedfork - Mar 29, 2021 12:49 PM (+)]
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Name: Alma
Ferriday, Louisiana (Zone 8b)
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alma47
Mar 29, 2021 7:35 PM CST
Thanks everyone for the advice. I think I will have a soil test done just to check for any deficiency because I've never had one done. And it could be that the soil hasn't warmed up much because we did have a colder than usual February with snow and ice on the ground for about a week. Also, Larry it could be a weed killer problem. I didn't spray them, but we had a crop duster flying over a field very near my house which caused my rose leaves to put out all distorted and dying, and white spots on my daylilies and other plants that were putting out

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