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Japanese Mock Orange · Pittosporum tobira

Why is my Pittosporum tobira looking leggy?

It is less common for a healthy Japanese Mock Orange to become leggy, as this usually happens when the plant is not getting enough light. Check your plant's current light exposure first to see if it needs a brighter spot.

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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 indirect light the plant receives daily.
  2. Check if the plant is leaning heavily toward a nearby window.
  3. Examine the stems to see if they are thin and weak compared to the rest of the plant.

Likely causes

  1. Insufficient Light

    Most likely

    How to tell: The stems stretch out with large gaps between the leaves as the plant reaches for a light source. You might also notice the foliage becoming sparse or pale.

    What to do: Move your plant to a location that receives bright, indirect light or partial sun. If you are growing it indoors, place it directly in front of a south or west facing window. Rotate the pot every few weeks to ensure even growth on all sides.

  2. Lack of Pruning

    Possible

    How to tell: The plant looks tall and thin because it has not been shaped or encouraged to branch out. Older stems may lose their lower leaves while continuing to grow from the tips.

    What to do: Prune back long, unruly stems by about one third to encourage bushier growth. Do this in late winter or early spring before the new growth cycle begins. Use sharp, clean shears to make cuts just above a leaf node.

Leggy growth in other plants

Find out what's wrong with your japanese mock orange

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 medical emergency, but if the plant becomes too top heavy, it may tip over or break. Some thinning is natural as the plant ages, but significant legginess indicates it is struggling to maintain its shape.

Stopping it coming back

Provide consistent bright light and prune the plant lightly once a year to maintain a dense, compact form.

Japanese Mock Orange: leggy growth? Check yours with a photo

Every plant is a little different. Take a photo of your japanese mock orange 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 fix leggy stems by just moving the plant?
Moving the plant to better light will stop further stretching, but it will not make the existing long stems shorter. You will need to prune those stems to encourage new, compact growth.
How much sun does my Japanese Mock Orange really need?
This plant thrives in full sun to partial shade. If it is indoors, it needs as much bright, indirect light as you can provide to stay full and bushy.

More problems with Japanese Mock Orange

Back to the Japanese Mock Orange 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.