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Jun 22, 2014 10:19 PM CST
|I've never seen this before... distorted flowerheads on Helenium hoopesii:|
Would you say it's aster yellows?
Thanks in advance.
Jun 24, 2014 11:43 AM CST
|Aster yellows would be my first thought.|
Jul 5, 2014 9:27 PM CST
|does it also affect sunflower's?|
Jul 12, 2014 9:13 AM CST
|Sunflowers are listed as a host for aster yellows, but according to one article I saw some are resistant.|