Daylilies forum: What's wrong here?

Views: 257, Replies: 4 » Jump to the end
Name: Betsy
Texas (Zone 9a)
Region: Texas Composter Butterflies Bookworm Bluebonnets Daylilies
Native Plants and Wildflowers Amaryllis Cottage Gardener Container Gardener Clematis Plant and/or Seed Trader
Feb 23, 2018 9:02 PM CST
What's up with the leaves of this Daylily? Light green stripy...

Thumb of 2018-02-24/piksihk/b25a90

Thumb of 2018-02-24/piksihk/f4a3ef

Have another clump with the same color.
While the earth remains, Seed time and harvest, Cold and heat, Winter and summer, And day and night Shall not cease. Gen. 8:22
Name: Donald
Eastland county, Texas (Zone 8a)
Region: Texas Enjoys or suffers hot summers Raises cows Plant Identifier
Feb 23, 2018 9:23 PM CST
I think maybe cold temperatures. It may clear up when the weather is consistently warmer. I have a couple of seedlings that do this badly early in the season. They tend to be normal green when it warms up. Over time they have improved as they have aged, but they still start out with 'iron poor' sap Green Grin! . I couldn't find any kind of Geritol for daylilies that helped. I have quit trying and just wait for warmer weather.
Name: Judy
Louisiana (Zone 9b)
Region: Louisiana Daylilies Tropicals Region: Gulf Coast Hybridizer Seller of Garden Stuff
Feb 24, 2018 12:08 AM CST
It looks like interveinal chlorosis.
Some possible causes are incorrect soil pH, nutrient imbalance, too dry or too wet moisture levels, over-fertilization, disease, and insects. While I think I did see aphids in the top photo, I would suspect the problem is most likely due to a deficiency of a specific element or to a pH imbalance.
Name: Stan
Florida Panhandle (Defuniak Sp (Zone 8b)
Region: Florida Region: Gulf Coast Enjoys or suffers hot summers Daylilies Lilies Keeps Horses
Dog Lover Garden Photography Butterflies Hummingbirder Birds Bee Lover
Feb 24, 2018 7:14 AM CST
I agree with Judy... most likely interveinal chlorosis typically caused by and iron deficiency. You could sprinkle a little ironite or perhaps some Milorganite around the CVs. They'll green up in no time.

Also recommend getting a soil sample. Which, are relatively inexpensive through your local extension. They'll break down your soils nutritional values with recommendations for amendments.
(Georgia Native in Florida)
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
Feb 24, 2018 7:24 AM CST
Yes, interveinal chlorosis. Daylilies often do this when the soil is cold and/or the soil pH is too high for them to take up certain nutrients. It's cultivar specific so you can have one that is affected right next to one that is a normal green. In situations I'm familiar with, it is more likely to have resulted in manganese deficiency than iron deficiency, but lowering the pH would fix both. Better to get a soil test first though, as Stan suggested. Since you're in Texas I would suspect the pH is on the high side because that is a known thing in at least some areas there. What happens is that micronutrients become less available to plants as the soil pH becomes less acidic and that's exacerbated by cold soil. If your soil tests much lower than about 6.8 then we might need to look at another potential cause. I would expect more than one plant to be doing this though, and the affected one looks rather small.
[Last edited by sooby - Feb 24, 2018 7:25 AM (+)]
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