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Giant white bird of paradise · Strelitzia nicolai

What are these spots on my giant bird of paradise?

It is less common for this plant to develop random spots, which usually indicates a fungal issue or pest infestation rather than a simple care error. Check the undersides of the leaves for small bumps or sticky residue first.

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spots on a plant
Photo: Scot Nelson, CC0

Check these first

  1. Scrape the spots to see if they are scale insects.
  2. Check if the leaves remain wet after watering.
  3. Look for sticky residue on the leaves or floor.

Likely causes

  1. Scale insects

    Most likely

    How to tell: You will see small, brown, raised bumps on the stems or leaf veins that can be scraped off with a fingernail. The leaves may also feel sticky.

    What to do: Wipe the leaves down with a cloth dipped in rubbing alcohol to remove the insects. Treat the plant with neem oil once a week for 3 weeks to kill any remaining eggs.

  2. Fungal leaf spot

    Possible

    How to tell: Small dark spots appear on the leaves, often with a yellow halo around them. This usually happens if the leaves stay wet for too long.

    What to do: Avoid misting the leaves and ensure there is good air circulation around the plant. Trim off the most heavily affected leaves to prevent the fungus from spreading.

Leaf spots on other plants

Find out what's wrong with your giant white bird of paradise

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

Small, isolated spots are manageable, but if they cover most of the foliage, the plant is in distress. Minor scarring from past physical damage is normal.

Stopping it coming back

Keep the foliage dry and inspect the plant monthly for early signs of pests.

Giant white bird of paradise: spots? Check yours with a photo

Every plant is a little different. Take a photo of your giant white bird of paradise 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

Are these spots contagious to my other plants?
Yes, if the spots are caused by pests or fungus, they can easily spread. Isolate the plant until it is fully treated.
Can I wash the spots off?
If they are scale, you can wipe them off. If they are fungal spots, they are permanent damage that will not wash away.

Guides to these causes

More problems with Giant white bird of paradise

Back to the Giant white bird of paradise 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.