How to Fertilize Carmichael's monk's hood?
Balanced perennial feed every four weeks from spring through summer

Carmichael's monk's hood · Aconitum carmichaelii
Grows best in deep, cool, moisture-retentive soil in partial shade, but will also tolerate most soils and full sun if soil is humus-rich and protected with mulch to ensure that it is moist throughout the growing season, staking may be required; use protective gloves
Balanced perennial feed every four weeks from spring through summer