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Pale Leaves in Water Mint
verifiedReviewed by the GreenScout Team
Water Mint is a vigorous semi-aquatic herb with aromatic, slightly hairy leaves and distinctive purple or pink flower spikes blooming in mid to late summer
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Water Mint care requirements
These care conditions are most relevant to pale leaves in Water Mint. Check each one as a potential cause.
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Light
Full sun to partial shade; requires 4–6 hours minimum sunlight; more sun enhances oil content
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Fertiliser
Moderate feeding; monthly balanced liquid fertilizer during growing season; benefits from organic compost mulch
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Water
Consistently wet to waterlogged soil or shallow water (1–4 inches/2.5–10 cm depth); thrives in boggy margins; container culture requires constant moisture
symptoms
Symptoms to look for in Water Mint
- fiber_manual_recordWashed-out, pale colour
- fiber_manual_recordYellowing between veins
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Common causes in Water Mint
- fiber_manual_recordIron deficiency
- fiber_manual_recordMagnesium deficiency
- fiber_manual_recordToo much direct sun
- fiber_manual_recordAlkaline soil
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How to diagnose pale leaves in Water Mint
Interveinal yellowing on new growth = iron deficiency. On old growth = magnesium deficiency.
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How to treat pale leaves in Water Mint
Apply chelated iron or Epsom salt as appropriate. Adjust soil pH.
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Preventing pale leaves in Water Mint
Use ericaceous compost for acid-loving plants. Feed with micronutrient fertiliser.