Oak Wilt or Summer Heat? Diagnosing Brown Leaves on Callahan Live Oaks
Key Takeaways: Check the Veins: Oak Wilt typically causes browning along the leaf’s central veins, while heat stress affects the outer edges first. Speed Matters: Oak Wilt can cause a canopy to thin or turn bronze in just a few weeks; heat stress is a slower, seasonal decline. Stop Pruning: Avoid trimming oaks from February […]
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