Cucurbits are highly sensitive to cold injury. Symptoms can vary depending upon the low temperature range and extend of a low temperature. Papery and bleached appearance of the leaves are characteristic symptoms.

In a single night of temperatures dropping to 35 F on cucumbers in North Florida, leaves exhibited white bleached sections through a vast section and through most of the leaves.

Depending on the severity of impact, the underside of the leaves may also show white blotches, and can be found mostly uniformly.

Field showing uniform symptom appearance in all leaves. While this case is an impact of a short window of cold temperatures, long duration of cold snaps may have much more drastic impacts.