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Western columbine · Aquilegia formosa

Why are my Western columbine leaves curling?

It is less common for Western columbine to have curling leaves, so this usually points to environmental stress or specific pests. Check your soil moisture and leaf undersides first to see what is going on.

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curling leaves on a plant
Photo: Freshclover, CC BY-SA 4.0

Check these first

  1. Feel the top inch of soil to see if it is dry.
  2. Inspect the undersides of the curled leaves for tiny insects.
  3. Check if the plant is getting too much direct afternoon sun.

Likely causes

  1. Water stress

    Most likely

    How to tell: The leaves look shriveled and crisp, and the soil feels bone dry to the touch. This happens when the plant cannot pull enough moisture to keep its foliage turgid.

    What to do: Water the plant deeply until moisture runs out of the drainage holes. Aim to keep the top inch of soil consistently moist but not soggy. Check the soil every 3 to 7 days to keep up with your local weather.

  2. Aphids

    Possible

    How to tell: You will see tiny green or black insects clustered on the undersides of leaves or near the new growth. These pests suck sap, which causes the leaves to twist and curl as they grow.

    What to do: Spray the foliage with a steady stream of water to knock the aphids off. If they persist, apply insecticidal soap or neem oil directly to the affected areas once a week. Repeat the treatment until the pests are gone.

Curling leaves on other plants

Find out what's wrong with your western columbine

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

Worry if the curling is accompanied by yellowing or if the entire plant begins to wilt despite regular watering. It is normal for older leaves to curl slightly as they reach the end of their life cycle.

Stopping it coming back

Maintain a consistent watering schedule and keep the plant in a spot with partial shade to prevent heat stress. Regularly checking the undersides of leaves helps you catch pests before they cause damage.

Western columbine: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your western columbine 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 my leaves uncurl once I water the plant?
If the curling was caused by dehydration, the leaves should perk up and flatten out within a day or two of watering. If they stay curled, the damage might be permanent.
Can heat cause these leaves to curl?
Yes, Western columbine prefers cooler temperatures. If it gets too hot, the plant may curl its leaves to reduce surface area and save moisture.

Guides to these causes

More problems with Western columbine

Back to the Western columbine 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.