Strawberries: The entire plant is twisted, and leaves are curled, regardless of leaf age

Two possible causes are:

Herbicide injury

2,4-D application can cause strawberry leaf petioles to twist, but plants usually outgrow this condition.

Side view of strawberry leaf with S-shaped petiole.
2, 4-D injury on strawberry leaf

2,4-D general fact sheet

More herbicide injury information

Nematodes

 

Foliar nematodes cause twisting and distorted growth of strawberry plants, regardless of leaf age. Verify with a nematode analysis. Contact theĀ Cornell Plant Disease Diagnostic Clinic.

Strawberry plant on black background. Emerging leaves are wilted and petioles are curled. Mature leaves have bendy petioles and leaf segments are randomly curled inwards.
Foliar nematode damage in strawberry plant.