Has anyone had a gladiolus flower with horn-like protrusions coming fron the petals?
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Your plant may have a disease or insects. To be safe, spray with insecticidal soap and a fungicide.
These are pretty hardy flowers and that does not look familiar to me (although it reminds me a bit of sunburn).
I am attaching my go to home extension office (first link below) with descriptions of typical issues that bother glads (at least in my state of PA)...none of which look like this. I would contact the Penn State extension office if you are in PA:
extension.psu.edu/
If you are not in PA, I suggest sending the photos to your home extension office and asking as every area is has different challenges.
A link to find yours is:www.gardeningknowhow.com/
Let us know what you learn!
This is unusual as most problems with gladiolus happens with the corns. I think you should ask your county extension agent as this may be something that spreads.
www.gardeningknowhow.com/
I agree that insecticidal soap may not harm the plants but may not be a total solution.
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