Plant disease guide · TerraceFarming
Upload a photo for an AI diagnosis — confirms Leaves turning black after picking vs. look-alike problems and suggests the right treatment.
Basil leaves are very delicate and will oxidize (turn black) if bruised, washed roughly, or stored in the fridge.
Use the blackened leaves immediately in cooking, as they are still safe to eat but visually unappealing.
Harvest using sharp scissors instead of tearing. Store stems in a glass of water on the kitchen counter at room temperature.
Book a 30-minute video call with an agronomist — bring photos and get a confirmed diagnosis with a treatment plan.
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