Problem
Why is my hosta 'Sum and Substance' wilting?
Hosta 'Sum and Substance'
Wilting on a hosta 'Sum and Substance' usually has one of three causes — watering, light or a pest. Walk through them in order before reaching for a treatment.

Most likely causes
Detailed cause-by-cause guide is being prepared. In the meantime: check watering rhythm, sunlight match, and any visible pests on the underside of leaves.