Volcano mulching is killing young oaks

Saw three newly planted red oaks yesterday with 8–10 inches of mulch piled against the trunk — perfect setup for Phytophthora collar rot and girdling roots… If you’re landscaping this week, expose the root flare and keep mulch to 2–3 inches; what tactics are you using to retrain crews and clients so we preserve cambium health without dragging out the install?

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