Septoria host plants – targets of this ravaging leaf spot disease

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Septoria has often caused many a gardener to wail in desperation. What plants does it affect? Which host is it hiding on over winter?

This list shows most common plants which are affected by the Septoria fungus. When they exist, common names as well as scientific names for the disease are included. They’re also called “Septoria leaf spot“, too.

It’s a complement to our main Septoria leaf spot page. We describe there exactly how you can save your harvest and flowers from this rampaging fungal leaf spot. Information for correct septoria identification is included, too.

Different species of Septoria fungus

Over 500 species of Septoria have been described. Experts estimate that over a thousand may exist in all. Most of them must still be discovered and described!

Here are a few different types of Septoria and the plants they infect. Together, they’re called “host plants for Septoria“.

For any given septoria fungus, however, contamination will usually only occur from plants that can host that same species exactly.

Host plants for Septoria

Click here for shortcuts to the tables on this page:

• Vegetables & Food
• Fruit trees
• Ornamental flowers
• Trees & Shrubs
• Herbs & Spices

Food crops & vegetables Septoria infects

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Fruit trees Septoria uses as hosts

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Ornamental plants infected by Septoria

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Trees and hedge shrubs Septoria may infect

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Herbs and spices hosting Septoria

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Weeds Septoria survives and multiplies on

Find the most common Septoria host weeds in the main article here.