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Joyweed · Alternanthera polygonoides

Why are my Joyweed leaves turning yellow?

Yellowing leaves on a Joyweed often point to issues with your watering routine or soil drainage. Check the soil moisture first to see if you are being too generous with the watering can.

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

Check these first

  1. Feel the soil to see if it is waterlogged.
  2. Check the bottom of the pot for standing water.
  3. Inspect the leaves for any signs of pests.

Likely causes

  1. Overwatering

    Most likely

    How to tell: The leaves turn yellow and soft, and the soil feels constantly soggy or swampy.

    What to do: Allow the top inch of soil to dry out slightly before watering again. Ensure your pot has good drainage holes and never let the plant sit in a saucer of standing water.

  2. Nutrient Deficiency

    Possible

    How to tell: The older leaves turn yellow while the veins remain green, often indicating a lack of magnesium.

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

Yellow leaves on other plants

Find out what's wrong with your joyweed

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

It is normal for the very oldest leaves at the base of the plant to yellow and drop occasionally. Worry if the yellowing is widespread or affecting new growth.

Stopping it coming back

Use a well draining potting mix and always check the soil moisture before adding more water.

Joyweed: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your joyweed 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. This helps the plant focus its energy on healthy new growth.
Can yellow leaves turn green again?
No, once a leaf has turned yellow, it will not return to green. It is best to remove it and fix the underlying cause.

More problems with Joyweed

Back to the Joyweed 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.