Spinach Leaf Miners: White Tunnels in Leaves
Leaves problem · common pattern reported by gardeners · verify locally
What you'll see
- Winding white tunnels in leaves
- Brown patches in tunnels
- Larvae inside
Most common causes
- Leaf miner fly lays eggs in leaves
- Cool spring weather peak
- Warm season crops nearby
How to fix it
- Remove and discard infested leaves
- Row cover early season
- Plow under crop debris
Prevention: Row covers during fly season Rotate crops Remove volunteer spinach
More Spinach problems
Grow Spinach with confidence
Open the Spinach growing guide → · Planting calendar · Pest & problem diagnoser
ZoneFig content reflects widely published extension-service and gardening guidance. Symptoms and causes are common patterns, not a diagnosis for any individual plant — verify locally and treat conservatively.