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Lesser spearwort · Ranunculus flammula

Why is my Ranunculus flammula not blooming?

It is less common for this plant to fail to flower, which usually happens when it does not get enough direct sunlight. This plant needs full sun to partial shade to produce its yellow blossoms.

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Check these first

  1. Assess the amount of direct sun the plant receives.
  2. Check if the soil is consistently wet.
  3. Look for signs of pests that might be eating the buds.

Likely causes

  1. Insufficient light

    Most likely

    How to tell: The plant looks leggy or stretched out and fails to produce any flower buds.

    What to do: Move the plant to a spot that receives at least 6 hours of direct sunlight daily. If growing indoors, place it in your sunniest south facing window.

  2. Inconsistent moisture

    Possible

    How to tell: The plant is stressed from drying out, causing it to drop buds or fail to form them.

    What to do: Ensure the soil remains constantly wet or waterlogged. Never let the plant dry out between waterings.

Other plants that won't flower

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.

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When to worry

Worry if the plant is healthy and green but shows no signs of buds during the peak summer season. It is normal for young plants to skip flowering in their first year.

Stopping it coming back

Provide plenty of direct sunlight and keep the roots constantly submerged in moisture.

Lesser spearwort: not flowering? 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.

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Questions people ask

Does this plant flower every year?
Yes, it is a perennial that should bloom reliably each summer if given enough light. It needs consistent moisture to support its flowering cycle.
Will fertilizer help it bloom?
A balanced liquid fertilizer applied once in early spring can support growth. However, light is the primary factor for flowering.

More problems with Lesser spearwort

Back to the Lesser spearwort 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.