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Common orache · Atriplex patula

Why are there trails on my Common orache leaves?

If you see squiggly white lines on your leaves, you likely have leaf miners. These tiny larvae tunnel inside the foliage to feed, which is common for this plant. Check the undersides of the leaves for small, pale eggs.

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pests on a plant
Photo: Jules Verne Times Two, CC BY-SA 4.0

Check these first

  1. Inspect the undersides of the leaves for tiny eggs or larvae.
  2. Look for small white trails winding through the leaf tissue.
  3. Check nearby plants to see if the infestation is spreading.

Likely causes

  1. Leaf miners

    Most likely

    How to tell: Look for winding, serpentine trails that appear white or light brown on the leaf surface. You might see tiny larvae inside the tunnels if you hold the leaf up to the light.

    What to do: Pick off and destroy any heavily infested leaves immediately to stop the cycle. For minor cases, you can pinch the tunnel between your fingers to crush the larva inside. Avoid using heavy pesticides as they often kill the beneficial insects that hunt these pests.

  2. Aphids

    Possible

    How to tell: These tiny insects cluster on new growth and the undersides of leaves, causing them to look distorted. You may also see a sticky residue called honeydew on the foliage.

    What to do: Spray the plant with a strong stream of water from your hose to knock them off. If they persist, apply a gentle insecticidal soap once a week until they are gone.

Pests on other plants

Find out what's wrong with your common orache

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.

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When to worry

It is normal to see a few trails on outdoor plants, but you should worry if the entire plant is covered and growth slows down.

Stopping it coming back

Keep your plant healthy with proper sun and water to help it resist pests. Remove weeds nearby that might host the same insects.

Common orache: pests? Check yours with a photo

Every plant is a little different. Take a photo of your common orache 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

Will leaf miners kill my plant?
Usually no, they are mostly a cosmetic issue. However, a severe infestation can weaken the plant by reducing its ability to photosynthesize.
Should I use a systemic pesticide?
It is best to avoid them, especially if you plan to eat the leaves. Stick to physical removal or mild soaps.

Guides to these causes

More problems with Common orache

Back to the Common orache guide

This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.