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Mother of Thousands · Kalanchoe daigremontiana

Why is my Mexican Hat Plant growing so tall and thin?

A leggy Mexican Hat Plant is usually reaching out for more light. When they do not get enough sun, they stretch their stems to find a brighter spot, which makes them look weak and spindly.

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

Check these first

  1. Observe how many hours of direct or bright light the plant gets daily.
  2. Check if the plant is leaning toward a specific light source.
  3. Measure the distance between the leaves to see if it is increasing.

Likely causes

  1. Insufficient Light

    Most likely

    How to tell: The space between the leaves is getting larger and the stem is leaning toward the nearest window.

    What to do: Move the plant to a spot with bright, indirect light where it gets a few hours of morning sun. If you do not have a bright window, consider using a small grow light.

  2. Seasonal Changes

    Possible

    How to tell: The plant starts stretching during the dark winter months.

    What to do: Reduce watering during winter to slow down growth. Move the plant to the brightest window you have until spring returns.

Leggy growth in other plants

Find out what's wrong with your mother of thousands

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 health emergency, but the plant will not shrink back to its original shape. You can prune the top to encourage a bushier habit once it has better light.

Stopping it coming back

Provide consistent bright light throughout the year. Rotate the pot every week so all sides get equal exposure.

Mother of Thousands: leggy growth? Check yours with a photo

Every plant is a little different. Take a photo of your mother of thousands 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 cut the top off to make it shorter?
Yes, you can behead the plant. Let the cut end dry for a few days, then stick it in fresh soil to start a new, compact plant.
Is my plant dying because it is tall?
No, it is just reaching for light. It is healthy, just not getting the conditions it prefers for a compact shape.

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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.