[5] By late summer or fall, well after the initial infection, dark red or purple lesions can appear near wounded sites.

[4] In the spring buds may fail to break, lateral branches may appear wilted, or canes may die as the fruit begins to ripen.

[3] Signs of cane blight include small black raised specks, which are the sporocarps, or fruiting bodies called pycnidia and/or pseudothecia.

Necrotic lesions can cause premature decimation of the cane and blight of fruit bearing spurs.

[8] Wet humid environments are conducive to sporulation, which allows L. coniothyrium to multiply and cane blight to spread.