Ask a Question forum→White/yellow spots on my mint and other herbs

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Dallas, Texas
May 30, 2020 1:45 PM CST

Can someone answer? I spent lots of time researching and can't get any clear answers. Mint has these white spots. Some bottom leaves are yellow and fall off but it's normal I think as I have a lot on mint. It grows great. But what are those spots? I continue eating eat. See some pictures under microscope, too. These do not come off if I wipe it off. It doesn't look as rust or powdery mildew to me. Maybe I'm wrong. Thanks!

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[Last edited by Lidadosser - May 30, 2020 1:51 PM (+)]
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Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Hummingbirder Birds Organic Gardener Dog Lover Cat Lover
May 31, 2020 4:35 AM CST
Oedema is a physiological disorder that develops when roots take up water faster than it can be used by the plant or transpired through the leaves. Water pressure builds up in the internal cells of the leaves causing them to burst, leaving dead cells that are visible as a blister, mostly on the leaves. Oedema may also be spelled edema. You and give your plants more lighting and reduce the amount of water they get and that may help.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌

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