How to prune salsify 'mammoth sandwich island'

Remove damaged leaves anytime; cut bolting stalks in spring of the second year if needed. Trim yellowing or damaged leaves cleanly at the stem. If second-year bolting occurs and you want to delay harvest, cut the flower stalk at the base — but roots are best harvested in autumn of the first year or early spring before bolting begins.

As needed; minimal maintenance crop. Salsify 'Mammoth Sandwich Island' is a root vegetable that needs no pruning during its growing season. Simply remove yellowing or damaged leaves to maintain airflow. If the plant bolts in its second year (it is biennial), you can cut flower stalks to prolong root usability, though by that point harvest is preferable.

Trim yellowing or damaged leaves cleanly at the stem. If second-year bolting occurs and you want to delay harvest, cut the flower stalk at the base — but roots are best harvested in autumn of the first year or early spring before bolting begins.