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Black tupelo · Nyssa sylvatica

Why does my Black tupelo have spots on its leaves?

Seeing spots on your Black tupelo usually points to a fungal infection, especially after a long stretch of wet weather. Check the undersides of the leaves first to see if the spots are accompanied by any fuzzy growth.

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spots on a plant
Photo: Scot Nelson, CC0

Check these first

  1. Inspect the leaves for fuzzy or powdery growth.
  2. Clear away all dead leaves from the ground beneath the tree.
  3. Check the soil moisture to ensure it is not waterlogged.

Likely causes

  1. Fungal Leaf Spot

    Most likely

    How to tell: You will see brown or black circular spots appearing on the foliage during humid or rainy seasons. These spots may grow larger or merge over time.

    What to do: Remove and destroy any fallen leaves around the base of the tree to stop spores from spreading. Improve air circulation by pruning crowded branches and avoid overhead watering.

  2. Environmental Stress

    Possible

    How to tell: Spots may appear if the tree is struggling with extreme temperature changes or poor soil drainage. The leaves might look generally weak or discolored around the spots.

    What to do: Ensure the tree is planted in well draining soil and maintain a consistent watering schedule of every 7 to 14 days. Apply a layer of mulch to help keep the root zone cool and moist.

Leaf spots on other plants

Find out what's wrong with your black tupelo

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 to see a few spots late in the season as the tree prepares for dormancy. Worry if the spots cover more than half the leaf surface or cause premature leaf drop.

Stopping it coming back

Keep the area under the tree clean and ensure good airflow between branches to discourage fungal growth.

Black tupelo: spots? Check yours with a photo

Every plant is a little different. Take a photo of your black tupelo 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 use a fungicide?
Usually, it is not necessary. Good sanitation and proper watering habits are much more effective for long term health.
Will these spots kill my tree?
Rarely. While they look unsightly, a healthy Black tupelo can easily withstand minor fungal infections.

Guides to these causes

More problems with Black tupelo

Back to the Black tupelo 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.