Ornamental Plum Trees Holding Leaves in Winter: Variety or Environment?

The Puzzle

Two ornamental plums in Southern California (planted spring) look healthy but haven’t dropped leaves. Owner worries about flowering.

Likely variety‑specific or environmental—some plums are semi‑evergreen in mild winters. Not a disease/insect sign.

Ask a local independent nursery (not big‑box) about that cultivar’s behavior. They know regional performance.

Plant Diseases: Premature Fruit Ripening and Drop in Plum Trees: Environmental Causes; Sunflower Leaf Damage: Cosmetic Insect Feeding vs. Real Problems; Plum Tree with Jelly-Like Sap: Borer Infestation; Citrus Leafminer Causing Cupped Leaves: Organic Solution; Leaf Galls on Walnut and Oak: Harmless Insect Architecture; Ornamental Plum Delayed Leaf-Out: Environmental Stress vs. Fatal Decline; Plum Tree "Ghost Leaves": Diagnosing Browning and Bud Check; Preventing Fruit on Ornamental Plum Trees with Hormone Sprays; Thinning Canopy on Flowering Plum Trees; Tulip Poplar Leaf Drop in Drought: Normal Survival Strategy

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