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American vetch · Vicia americana

Why are my American vetch leaves turning yellow?

Yellowing leaves are less common for American vetch and usually point to issues with soil moisture or nutrient balance. Check the soil moisture level first to see if you are overwatering.

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

Check these first

  1. Check the soil moisture with your finger.
  2. Inspect the drainage holes for blockages.
  3. Look for signs of pests on the undersides of leaves.

Likely causes

  1. Overwatering

    Possible

    How to tell: The leaves turn yellow and feel soft or mushy to the touch. The soil stays wet for a long time after watering.

    What to do: Let the top inch of soil dry out completely before adding more water. Ensure your pot has drainage holes so extra water can escape.

  2. Nutrient deficiency

    Possible

    How to tell: Older leaves turn yellow while the veins remain green. This often happens if the plant has been in the same soil for a long time.

    What to do: Apply a balanced liquid fertilizer diluted to half strength once a month during the growing season. Do not over fertilize as this can burn the roots.

Yellow leaves on other plants

Find out what's wrong with your american vetch

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 whole plant. It is normal for the very oldest leaves at the base to yellow and die back as the plant grows.

Stopping it coming back

Maintain a consistent watering schedule and keep the soil well draining to prevent root stress.

American vetch: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your american vetch 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 snip them off with clean scissors to keep the plant looking tidy. This also helps you see if new growth is healthy.
Can too much sun cause yellow leaves?
While American vetch likes sun, extreme heat can sometimes bleach leaves. If the yellowing is on the side facing the window, move the plant slightly back.

More problems with American vetch

Back to the American vetch 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.