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Chervil · Anthriscus cerefolium

Why is my chervil growing leggy and thin?

Leggy growth happens when chervil reaches for more light than it is currently getting. Check your light levels to ensure the plant is getting enough brightness.

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leggy growth on a plant
Photo: Rosser1954, CC BY-SA 4.0

Check these first

  1. Assess the light intensity in the current spot.
  2. Check if the plant is leaning toward a light source.
  3. Measure the distance from the nearest window.

Likely causes

  1. Insufficient light

    Most likely

    How to tell: The stems are long, thin, and spaced far apart.

    What to do: Move the plant to a brighter location with indirect light. If indoors, place it near a sunny window.

  2. High temperatures

    Possible

    How to tell: The plant grows rapidly and tall but looks weak.

    What to do: Keep the plant in a cooler environment. Avoid placing it near heat vents or radiators.

Leggy growth in other plants

Find out what's wrong with your chervil

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 not a disease, but it makes the plant less productive. It is normal for chervil to bolt and grow tall when it is ready to flower.

Stopping it coming back

Provide bright indirect light and keep the plant in a cool spot.

Chervil: leggy growth? Check yours with a photo

Every plant is a little different. Take a photo of your chervil 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

Can I prune leggy stems?
Yes, trimming the tops encourages bushier growth. Use the clippings in your kitchen.
Does leggy chervil taste different?
It may have a milder flavor, but it is still safe to eat.

More problems with Chervil

Back to the Chervil 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.