How to Fertilize nodding conehead?
Balanced perennial feed every four weeks spring through summer growth

nodding conehead · Strobilanthes nutans
In mild, frost free areas, grow outside in fertile, well-drained soil that does not dry out in summer, in part or full shade. In colder areas, grow in loam-based compost in a cool greenhouse or conservatory, or in containers that can be moved indoors over winter
Balanced perennial feed every four weeks spring through summer growth