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Mushy Stems in Water Milfoil

verifiedReviewed by the GreenScout Team

Water Milfoil is a fully submerged aquatic plant with feathery, whorled leaves that create a delicate underwater appearance

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Water Milfoil care requirements

These care conditions are most relevant to mushy stems in Water Milfoil. Check each one as a potential cause.

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Water
Fully submerged; thrives in cool to temperate water, 60-75°F (15-24°C). Prefers slightly acidic to neutral pH (6.0-7.5). Tolerates moderate water movement.
compost
Soil
No soil required; plant in aquatic substrate or anchor with plant weights. Does not require rooting medium.
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Temperature
Optimal 60-75°F (15-24°C). Dies back in temperatures below 50°F (10°C).
symptoms

Symptoms to look for in Water Milfoil

  • fiber_manual_recordSoft, water-soaked stems
  • fiber_manual_recordStem collapsing at base
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Common causes in Water Milfoil

  • fiber_manual_recordOverwatering
  • fiber_manual_recordRoot rot
  • fiber_manual_recordStem rot disease
  • fiber_manual_recordCold damage
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How to diagnose mushy stems in Water Milfoil

Press gently on stems. Healthy stems are firm. Mushy stems indicate rot.

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How to treat mushy stems in Water Milfoil

Trim affected stems. Allow soil to dry. Repot with fresh compost.

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Preventing mushy stems in Water Milfoil

Water sparingly. Never let plants sit in water. Use well-draining soil.

Other Water Milfoil problems