Stopping the Spread of Minnesota’s Deadliest Oak Disease

First detected in 1944, Oak Wilt is an aggressive and fatal fungal disease affecting oak trees across the central and northern US. While it impacts all oak species, Red Oaks are particularly susceptible and can die within a few weeks of infection.

How Oak Wilt Spreads: The disease spreads in two ways: above ground via sap-feeding beetles and underground through root grafts (where roots of nearby trees grow together). Once a tree is infected, the fungus can rapidly spread through the root system, killing neighboring oaks.

Comprehensive Treatment Options: Shadywood Tree Experts offers a complete management plan to protect your property, utilizing the industry's most effective methods:

Preventative Trunk Injections: We use high-pressure macro-injections (Propizol) to protect healthy oaks from infection. This is highly recommended for high-value trees near infected areas.

Root Graft Disruption (Vibratory Plowing): To stop the disease from spreading underground, we use specialized vibratory plows to sever root connections between infected and healthy trees. This "trenching" creates a barrier that saves the surrounding stand of timber.