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Septoria Leaf Spot in Parsley

How to identify and treat septoria leaf spot in Parsley.

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Parsley care requirements

water
Regularly — keep soil moist.
soil
Rich, moisture-retentive soil.
light
Full sun to partial shade.
symptoms

Symptoms to look for in Parsley

  • fiber_manual_recordSmall, circular spots with dark margins and tan or grey centers
  • fiber_manual_recordTiny black fruiting bodies (pycnidia) visible in the center of older spots
  • fiber_manual_recordYellowing and drop of lower leaves first, progressing upward
help

Common causes in Parsley

Caused by Septoria fungal species, spreading via rain splash and overwintering in plant debris, favored by warm, humid weather and prolonged leaf wetness.

healing

How to treat septoria leaf spot in Parsley

Remove and destroy infected lower leaves, avoid overhead watering, and apply a fungicide labeled for Septoria if the infection is spreading quickly.

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Preventing septoria leaf spot in Parsley

Rotate crops, stake or space plants for airflow, water at the base, and clear plant debris at the end of the season.