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Use Caution When Irrigating Oaks and Madrones

Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.

Jun 2018 | Article

Stressed trees show dieback

Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.

Mar 2018 | Article