Should I cut off the yellow leaves?

Yes, you can trim them off to keep the plant looking tidy. It will not hurt the plant to remove them.

Does yellowing mean I need more sun?

Usually not. If the plant is not getting enough light, it will become leggy rather than yellow.

Why are my Traveller's joy leaves turning yellow?

Check these first

Feel the soil to see if it is waterlogged.
Check for drainage issues in the garden bed.
Look for signs of pests on the yellowing leaves.

Likely causes

Overwatering
Most likely
How to tell: The lower leaves turn yellow and feel soft or mushy. The soil stays wet for a long time and may smell slightly sour.
What to do: Stop watering immediately and let the top few inches of soil dry out. Ensure your planting site has good drainage so water does not pool around the roots.
Nutrient deficiency
Possible
How to tell: Leaves turn a pale yellow while the veins remain green. This often happens if the plant has been in the same spot for many years.
What to do: Apply a balanced, slow release fertilizer in early spring. Adding a layer of compost around the base can also help replenish soil nutrients.

When to worry

It is normal for a few old leaves at the base to yellow and drop in autumn. Worry if the yellowing is widespread or affects new growth.

Stopping it coming back

Maintain a consistent watering schedule of 7 to 14 days. Use well draining soil to prevent the roots from sitting in standing water.

Not sure which one it is? Photograph your traveller's-joy.

This page lists the usual causes. Pocket Botanist looks at your actual leaf 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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Questions people ask

Should I cut off the yellow leaves?: Yes, you can trim them off to keep the plant looking tidy. It will not hurt the plant to remove them.
Does yellowing mean I need more sun?: Usually not. If the plant is not getting enough light, it will become leggy rather than yellow.