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Brown Spots in Pickerel Weed

verifiedReviewed by the GreenScout Team

A graceful marginal aquatic plant prized for its tall spikes of purple-blue flowers that attract pollinators throughout summer

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Pickerel Weed care requirements

These care conditions are most relevant to brown spots in Pickerel Weed. Check each one as a potential cause.

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Light
Full sun preferred (6–8 hours daily) for best flowering; tolerates partial shade
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Water
Plant in shallow water 0–12 inches deep; keep soil perpetually wet or submerged
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Humidity
Requires consistently high moisture; thrives in humid, waterside conditions
symptoms

Symptoms to look for in Pickerel Weed

  • fiber_manual_recordBrown patches on leaves
  • fiber_manual_recordCrispy brown areas
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Common causes in Pickerel Weed

  • fiber_manual_recordFungal leaf spot
  • fiber_manual_recordSunburn
  • fiber_manual_recordBacterial blight
  • fiber_manual_recordCold damage
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How to diagnose brown spots in Pickerel Weed

Sunburn: bleached patches facing light source. Fungal: brown spots with rings. Bacterial: water-soaked spots turning brown.

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How to treat brown spots in Pickerel Weed

Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.

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Preventing brown spots in Pickerel Weed

Avoid direct midday sun. Improve air circulation. Water at soil level.

Other Pickerel Weed problems

Brown Spots in Pickerel Weed — Causes & Treatment | GreenScout