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Key Lime Seasonal Leaf Drop and Leafminer: Normal Cycle and Organic Management

Situation

Steven's 5-ft Key lime (Key West): sprinkler irrigation 10-15 min every other day. Recent leaf drop and leaf curling.

Leaf Drop: Normal Seasonal Cycle

"Probably losing inner leaves right now to make room for flowers and fruit." Citrus shed interior leaves pre-bloom; terminal leaves stay green.

Leaf Curl: Citrus Leafminer

  • Universal on FL citrus
  • Moth larvae tunnel in leaves → curling, "railroad track" patterns underside
  • Dormant in winter, active in warmth

Organic Management

Pure Neem Oil (Dyna-Gro) — Kathy's standard:

  • Organic, non-washing
  • May slow leafminer, prevents other issues
  • Builds protection over time
  • Doesn't eliminate leafminer completely

Irrigation Note

10-15 min every other day may be excessive for established tree — monitor soil moisture, adjust for rainfall.

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