How to Fertilize tufted horned rampion?
Balanced perennial feed every four weeks from spring through summer

tufted horned rampion · Physoplexis comosa
Grow in gritty, poor to moderately fertile, sharply drained, preferably alkaline soil in full sun with some midday shade. Protect from winter wet; can be grown in a pot in an alpine house
Balanced perennial feed every four weeks from spring through summer