What is wrong with my plant?

Take a photo of the leaf, vine or fruit that is bothering you. You get the most likely cause, what else it could be, and what to go and check in the patch.

It will not name a product or a rate. That is on purpose — what is legal to apply depends on the crop, the county and the label, and in California most agricultural pesticide use needs a written recommendation from a licensed PCA. AI-generated, for orientation only. Confirm with your local extension office before treating.

Photograph the problem

Get close. One leaf filling the frame beats the whole patch. Turn the leaf over if the trouble is underneath — that is where most of it lives. Photos are sent for diagnosis and are not stored.