How to Prune smooth foxglove?
Cut back main flower spike as it fades to encourage the growth of flowering side shoots

smooth foxglove · Digitalis laevigata
Will grow in almost any soil or situation except very wet or very dry. Performs best in a humus-rich soil in sunny situation or partial shade. Generally a short-lived perennial
Cut back main flower spike as it fades to encourage the growth of flowering side shoots