Dying Mature field grown Zinnias
What is the cause of mature Zinnias (field grown) dying - looking like water stressed , leaves become yellowish, almost burned looking - they shrivel and die and so do the buds and flowers on them. The entire plant dies within 24 to 48 hrs.
Please send us photos so we can see what you may be dealing with. Send photos of the site as well as affected plants, foliage, buds, flowers.
If you are commercial, please contact your local extension service
We are unable to diagnose your problem with photos and we do not accept plant samples from outside of MD. We recommend that you submit plant samples to your Plant Diagnostic Lab at Rutgers. See the attached link to contact them https://njaes.rutgers.edu/plantdiagnosticlab/