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Rose of Sharon Hedge Dying: Cotton Root Rot

Progressive death down a hedge line suggests cotton root rot (Phymatotrichopsis), a soil‑borne fungus common in alkaline soils. No cure. Remove and burn dead roots. Do not replant Rose of Sharon in the same spots. Entire yard may be infested.

Perennials: Rose of Sharon Repeatedly Failing? Check Watering and Soil Prep; New Rose Tree Wilting After Planting: Transplant Shock Recovery; Rose of Sharon Pruning and Aphid Control Guide; Propagating Rose of Sharon from Cuttings; Rose of Sharon Split Trunk: Clean, Support, Don't Expect Fusion; Transplanted Rose of Sharon Not Leafing Out: Patience and Diagnosis; Planting Rose of Sharon Near Shallow Buried Utility Line; Rose of Sharon Hedge: Wood Rot Fungus on One Plant; Heritage Rose of Sharon: Climate Adjustment and Root Pruning for Blooms; Rose of Sharon: Hardy, Hummingbird-Friendly Shrub

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