How to Fertilize daylily 'Primal Scream'?
Use slow-release fertilizer twice yearly in early spring and mid-summer

daylily 'Primal Scream' · Hemerocallis 'Primal Scream'
Grow in fertile, moist but well-drained soil preferably in full sun. Flowering is likely to be poor in shadier situations. Tolerant of heavy clay and poorer soils. May need watering in spring to early summer in dry conditions to ensure flowering. See Hemerocallis cultivation for details
Use slow-release fertilizer twice yearly in early spring and mid-summer