Is yellowing a sign of too much water?

Usually not for this species, as it loves water. It is more likely a light or nutrient issue.

Should I cut off the yellow leaves?

Yes, you can trim them off with clean scissors to keep the plant looking tidy.

Lesser spearwort: yellow leaves, causes and fixes

Check these first

Observe how many hours of direct sun the plant receives.
Check for signs of pests on the undersides of the yellowing leaves.
Inspect the soil to ensure it is not becoming stagnant.

Likely causes

Insufficient light
Most likely
How to tell: The leaves turn pale yellow and the stems become thin and weak.
What to do: Move the plant to a brighter location with more direct sun. Aim for at least 6 hours of sunlight daily.
Nutrient deficiency
Possible
How to tell: Older leaves turn yellow while the veins remain green.
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 lesser spearwort

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.

When to worry

A single yellow leaf at the base is normal as the plant grows. If the yellowing spreads to the top of the plant, you need to adjust your care.

Stopping it coming back

Provide consistent bright light and use a high quality potting mix that supports aquatic or bog plants.

Lesser spearwort: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your lesser spearwort 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.

Get the app · Or check it from a photo now, free

Questions people ask

Is yellowing a sign of too much water?: Usually not for this species, as it loves water. It is more likely a light or nutrient issue.
Should I cut off the yellow leaves?: Yes, you can trim them off with clean scissors to keep the plant looking tidy.

Why are my Lesser spearwort leaves turning yellow?