Usually caused by water stress (too much/little) or fertilizer imbalance. Get a soil test (free via extension). Check trunk base for bark damage from mulch. Apply general fertilizer with minors (iron).
Ficus Oozing White/Red Powder at Drainage Holes: Fungus from Overwatering
Calamondin Sudden Death: Container Watering Issues—Drainage and Fertilizer
Boston Fern Decline: Root-Bound and Overcrowded
Aloe Brown Tip Rot: Bacterial or Fungal?
Jade Plant Problems: Spider Mites, Root Rot, and Propagation
Holly Leafminer Infestation: Systemic Insecticide and Fertilization
Gardening in Rocky, Poor Soil: How to Amend and Choose the Right Plants
When Bedding Plants Fail but Shrubs Thrive: Diagnosing a Decomposed Organic Layer and Root Disease
Strawberry Decline After 8–10 Weeks: Soil Testing and Fertilizer
Understanding Cation Exchange Capacity (CEC) in Soil
Herbicide Residue in Soil: Bioassay with Peas Before Planting Shrubs
Best Plants for Clay Soil and Planting Size Advice
Reviving Cold-Damaged Jasmine Sambac in North Carolina
When to Plant Holly in Ohio Zone 5: Spring or Fall, Soil Prep, and Mulch
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