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Mexican orange blossom · Choisya ternata

Why are my Mexican orange blossom leaves turning yellow?

Yellowing leaves on a Mexican orange blossom often point to nutrient imbalances or incorrect moisture levels. Check the soil moisture first to rule out simple overwatering.

Not sure it's this? Check a photo of your plant for free

yellow leaves on a plant
Photo: Trio3D, CC BY-SA 4.0

Check these first

  1. Check if the soil is too dry or too wet.
  2. Look for signs of pests on the undersides of leaves.
  3. Assess if the plant has been fertilized recently.

Likely causes

  1. Nutrient Deficiency

    Most likely

    How to tell: Leaves turn yellow while the veins remain green, often starting on older growth.

    What to do: Apply a balanced slow release fertilizer in early spring. Ensure the soil pH is slightly acidic to neutral for best nutrient uptake.

  2. Water Stress

    Possible

    How to tell: Leaves turn yellow and eventually drop off due to either too much or too little water.

    What to do: Water when the top 5 cm (2 inches) of soil feels dry, rather than on a fixed schedule. Ensure the soil is moist but never waterlogged.

Yellow leaves on other plants

Find out what's wrong with your mexican orange blossom

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 for the oldest leaves at the bottom of the plant to yellow and fall off as the plant grows. Be concerned if the yellowing is widespread across new growth.

Stopping it coming back

Maintain consistent moisture and provide a light feeding once a year in the spring.

Mexican orange blossom: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your mexican orange blossom 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

Does my plant need more sun?
If the leaves are pale yellow and the plant is leggy, it might need more light. Choisya prefers full sun to partial shade.
Should I cut off the yellow leaves?
Yes, you can trim them off to keep the plant looking tidy. They will not turn green again.

More problems with Mexican orange blossom

Back to the Mexican orange blossom 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.