Are aphids harmful to my mint?

They suck the sap from the plant, which weakens it over time. They can also spread viruses, so it is best to remove them.

Is it safe to eat mint that had aphids?

Yes, just wash the leaves thoroughly in cool water before using them. If you used a pesticide, wait the recommended time on the bottle before harvesting.

Why are there bugs on my mint plant? Causes and fixes

Check these first

Inspect the undersides of the leaves for tiny clusters of bugs.
Check the new growth tips for sticky residue.
Look for ants, which often farm aphids.

Likely causes

Aphid infestation
Most likely
How to tell: You see clusters of tiny insects on the tender new leaves and stems. The leaves may look sticky or start to curl.
What to do: Spray the plant with a strong stream of water to knock them off. If they persist, use a mild insecticidal soap or neem oil spray once a week.
Poor air circulation
Possible
How to tell: The plant is crowded or kept in a stagnant area, making it a target for pests. The foliage feels damp and lacks airflow.
What to do: Move the plant to a spot with better air movement. Thin out crowded stems to allow the plant to breathe.

Pests on other plants

Find out what's wrong with your mint

The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.

When to worry

A few aphids are manageable, but a heavy infestation can stunt growth. Treat them as soon as you spot them.

Stopping it coming back

Keep your mint in a well ventilated area and check the leaves every time you water.

Mint: pests? Check yours with a photo

Every plant is a little different. Take a photo of your mint and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.

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Questions people ask

Are aphids harmful to my mint?: They suck the sap from the plant, which weakens it over time. They can also spread viruses, so it is best to remove them.
Is it safe to eat mint that had aphids?: Yes, just wash the leaves thoroughly in cool water before using them. If you used a pesticide, wait the recommended time on the bottle before harvesting.

Guides to these causes

Aphids

Why are there bugs on my mint plant?