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Indiangrass · Sorghastrum nutans

Why are my Indiangrass leaves turning yellow?

It is less common for Indiangrass to show yellow leaves, as this hardy native grass is quite resilient. This symptom usually points to issues with soil drainage or moisture levels, so check the soil dampness first.

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

Check these first

  1. Check the soil moisture level by pushing a finger 2 inches into the ground.
  2. Inspect the base of the plant for signs of standing water.
  3. Look for signs of pests or fungal spots on the underside of the yellowing leaves.

Likely causes

  1. Overwatering

    Most likely

    How to tell: The foliage looks pale or yellow, and the soil feels constantly soggy or muddy to the touch.

    What to do: Hold off on watering until the top 2 inches of soil feel dry. Ensure your planting site has good drainage and is not in a low spot where water pools.

  2. Nutrient deficiency

    Possible

    How to tell: The entire plant looks stunted and the leaves turn a uniform yellow, often starting with the older growth.

    What to do: Apply a balanced, slow release fertilizer in early spring as new growth begins. Avoid over fertilizing, as this grass prefers lean soil conditions.

Yellow leaves on other plants

Find out what's wrong with your indiangrass

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 clump. It is normal for a few lower leaves to yellow as the plant matures or during extreme heat.

Stopping it coming back

Plant in well draining soil and avoid supplemental watering once the grass is established.

Indiangrass: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your indiangrass 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 cut off the yellow leaves?
Yes, you can trim them back to keep the plant looking tidy. This helps improve airflow around the base.
Does Indiangrass need fertilizer?
Usually, no. It is adapted to native soils and rarely needs extra nutrients unless the soil is very poor.

More problems with Indiangrass

Back to the Indiangrass 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.