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Pale Leaves in Yellow Flag
verifiedReviewed by the GreenScout Team
Yellow Flag is a vigorous, tall iris species bearing striking golden-yellow flowers with darker veining and sword-shaped leaves reaching 3–5 feet in height
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Yellow Flag care requirements
These care conditions are most relevant to pale leaves in Yellow Flag. Check each one as a potential cause.
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Light
Full sun to partial shade; requires 5+ hours of direct sunlight; blooms best with abundant light
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Fertiliser
Low to moderate fertilizer; thrives in nutrient-rich water or soil amended with compost; excess nitrogen promotes foliage over flowers
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Water
Shallow water (2–6 inches/5–15 cm depth) or wet bog soil; tolerates dry soils but prefers consistent moisture; hardy in standing water
symptoms
Symptoms to look for in Yellow Flag
- fiber_manual_recordWashed-out, pale colour
- fiber_manual_recordYellowing between veins
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Common causes in Yellow Flag
- 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 Yellow Flag
Interveinal yellowing on new growth = iron deficiency. On old growth = magnesium deficiency.
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How to treat pale leaves in Yellow Flag
Apply chelated iron or Epsom salt as appropriate. Adjust soil pH.
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Preventing pale leaves in Yellow Flag
Use ericaceous compost for acid-loving plants. Feed with micronutrient fertiliser.