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Rubber rabbitbrush · Ericameria nauseosa

Why are my rubber rabbitbrush leaves turning yellow?

It is less common for this plant to have yellow leaves, which usually happens due to poor drainage or overwatering. Check the soil moisture levels first to see if the roots are sitting in water.

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

Check these first

  1. Feel the soil two inches deep.
  2. Check for standing water around the base.
  3. Inspect the drainage holes if in a pot.

Likely causes

  1. Overwatering

    Most likely

    How to tell: The leaves turn yellow and soft, often starting from the bottom of the plant. The soil feels damp to the touch even weeks after watering.

    What to do: Stop watering immediately and allow the soil to dry out completely. If the soil stays wet for more than a few days, consider amending the area with gravel or sand to improve drainage.

  2. Poor Drainage

    Possible

    How to tell: Yellowing occurs across the whole plant, and the soil surface remains muddy or compacted. This plant requires excellent drainage to thrive.

    What to do: Ensure the plant is not sitting in a low spot where water collects. If it is in a container, check that the drainage holes are not blocked and use a gritty, fast draining soil mix.

Yellow leaves on other plants

Find out what's wrong with your rubber rabbitbrush

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

Worry if the yellowing spreads rapidly across the entire plant. It is normal for a few older leaves to yellow and fall off as the plant grows.

Stopping it coming back

Only water deeply during the first year of establishment and then rely on natural rainfall.

Rubber rabbitbrush: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your rubber rabbitbrush 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

Should I fertilize to fix the yellow leaves?
No, fertilizing a stressed plant can cause more harm. Focus on correcting the watering habits first.
Can too much sun cause yellow leaves?
No, rubber rabbitbrush loves full sun. Yellowing is almost always related to soil moisture issues.

More problems with Rubber rabbitbrush

Back to the Rubber rabbitbrush 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.