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May 26, 2016 7:08 AM CST
|I have never had a rust problem in my daylilys in 15 years..
I have had aphids in April but I had intense foot surgery and was
not able to spray the daylilys off with water or check them for
aphids in April..
Please advise..and if you were me when they finish blooming would
you just cut straight across the plant with scissors leaving 12 inches
height in the fan of each daylily and dispose of all brown and green
that I cut off?
Will that affect the growing if cut back or if I divide some of them
in June...our days are up to 90
this week and these are Repeat bloomers and Extended and are
at their prettiest and heaviest blooming time this week.
May 26, 2016 8:40 AM CST
|It does look like it could be daylily rust but the pictures aren't quite close in enough. If your camera doesn't do a close enough macro shot to post here, then you could check out the images on this page for differences between rust and other problems (you'll need to scoll down the page to the images):
Another diagnostic option is that if you wipe the affected leaves with a white facial tissue you should see orangey staining (spores) on the tissue whereas you wouldn't see that with any other daylily disorder.
Cutting down to 12" won't get rid of daylily rust, unfortunately. I wouldn't divide in the heat of the summer, although maybe someone from a similar climate to yours can chime in on that.
May 26, 2016 9:41 AM CST
|thank you so much
I will try the white kleenex test today!
Will wait to divide in late sept..
can I cut the green fans half way across and tidy up
in mid summer ..will that hurt the plant to cut
straight across...to trim and tidy the daylily area?
May 26, 2016 9:44 AM CST
|I read the informative article you sent and pictures and it does look like aphid and or spider mite damage on mine..going to check with kleenex this afternoon...
Sheridragonfly in Alabama
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