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Spur flower · Plectranthus

Why is my Plectranthus not blooming?

It is less common for this plant to fail to bloom if it is healthy, as it usually flowers when it gets enough light. Check if your plant is getting enough bright indirect light to support flower production.

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Check these first

  1. Evaluate the light levels in your plant's current spot.
  2. Check the time of year to see if it is a blooming season.
  3. Ensure the plant is not being over-fertilized, which can favor leaves over flowers.

Likely causes

  1. Insufficient Light

    Most likely

    How to tell: The plant looks healthy but never produces flower spikes. It is likely sitting in a spot that is too dark.

    What to do: Move the plant to a brighter location with consistent bright indirect light. It needs this energy to produce flowers.

  2. Improper Season

    Possible

    How to tell: The plant is healthy but it is not the right time of year for it to bloom. Many varieties bloom in late summer or fall.

    What to do: Be patient and continue your regular care routine. Ensure it gets the light it needs, and it will likely bloom when the season is right.

Other plants that won't flower

Find out what's wrong with your spur flower

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 not a cause for worry if the plant is otherwise growing well. Plectranthus is often grown for its foliage anyway.

Stopping it coming back

Provide bright indirect light year round and avoid heavy nitrogen fertilizers that promote leaf growth at the expense of flowers.

Spur flower: not flowering? Check yours with a photo

Every plant is a little different. Take a photo of your spur flower 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

Do all Plectranthus varieties bloom indoors?
Most do, but some are grown primarily for their colorful or patterned leaves. Do not be discouraged if yours takes its time.
Should I prune my plant to help it bloom?
Pruning helps the plant stay bushy, but it does not directly trigger flowering. Focus on light levels instead.

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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.