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Spots on leaves #873537

Asked June 17, 2024, 8:38 PM EDT

My tomato and pepper plants have developed a yellowish, pinkish spots on the leaves. There are no insects that can be found. Any idea what causes this? They are being grown in a greenhouse.

Deschutes County Oregon

Expert Response

Hi Gerry,
Thank you for your question about your tomato and pepper plants. I cannot definitively determine what is happening with your plants from your description.

I recommend you contact the Plant Clinic at the OSU Deschutes County Extension in Redmond. You can call the phone number listed below, or send your question and photos of the plants to <personal data hidden>

The person on duty will review your information, conduct necessary research, and contact you with findings and management options.

Summer Hours: Monday through Thursday, 9:00 to 5:00 pm, Friday 9:00 am to 1:00 pm.

Phone:<personal data hidden> x79630

We always welcome your home garden questions at the OSU Plant Clinic.


Susan P., OSU Master Gardener Volunteer Replied June 20, 2024, 3:37 PM EDT
Thank you! I'll be sending them the question and a photo. I would hate to not have home grown tomatoes this year!!!
Gerry Sharp


Live simply that others may simply live.


On Thursday, June 20, 2024 at 12:37:21 PM PDT, Ask Extension <<personal data hidden>> wrote:


The Question Asker Replied June 20, 2024, 3:45 PM EDT

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