Rose Suddenly Drops All Green Leaves – Water Stress or Heat

Miniature Standard Rose Defoliates Overnight

Leaves were dark green, healthy, then all fell off. No black spot, yellowing, or pests.

Water deficit: Roots not getting enough water in warm weather; plant sheds leaves to survive.
Heat stress: Sudden high temperatures cause leaf drop.
Spray damage: Applying spray (even organic) in hot weather can cause defoliation.

Check soil moisture deeply; water thoroughly. Mulch to keep roots cool. Avoid spraying in heat.

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