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California sagebrush · Artemisia californica

Why are my California sagebrush leaves turning yellow?

It is less common for this plant to have yellow leaves, which usually happens when the roots are sitting in too much moisture. Check your soil drainage first to see if it is holding onto water for too long.

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

Check these first

  1. Feel the soil moisture at least 3 inches deep.
  2. Check that the pot has large drainage holes.
  3. Look for standing water around the base of the plant.

Likely causes

  1. Overwatering

    Possible

    How to tell: The lower leaves turn yellow and feel soft or mushy to the touch. You might also notice the soil stays damp for weeks at a time.

    What to do: Stop watering immediately and let the soil dry out completely. If the soil is heavy clay, consider amending it with grit or moving the plant to a better draining spot.

  2. Poor Drainage

    Possible

    How to tell: The plant looks generally unhappy and the leaves yellow while the soil surface remains wet. This is common if the plant is in a container without holes or a low spot in the garden.

    What to do: Ensure the pot has large drainage holes at the bottom. If planted in the ground, create a slight mound to help water move away from the root crown.

Yellow leaves on other plants

Find out what's wrong with your california sagebrush

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

Be concerned if the yellowing spreads rapidly across the whole plant. It is normal for a few older leaves near the base to yellow and drop as the plant ages.

Stopping it coming back

Water only once every 14 to 30 days and ensure the soil is gritty and fast draining.

California sagebrush: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your california sagebrush 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, do not fertilize. This plant is adapted to poor soils and extra nutrients will only stress it further.
Is it normal for leaves to yellow in summer?
Yes, some yellowing is a natural response to extreme heat or drought as the plant goes semi dormant.

More problems with California sagebrush

Back to the California sagebrush 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.