How to Fertilize tulip 'Ronaldo'?
Diluted bulb flowering feed biweekly during spring pre-bloom growth phase

tulip 'Ronaldo' · Tulipa 'Ronaldo'
Plant bulbs in late autumn, at a depth of 10-15cm (4-6in) in fertile, well-drained soil. Choose a sunny position, with protection from strong winds and excess winter wet. Lift bulbs annually, once the leaves have died down, and ripen in a cool greenhouse, keeping dry over the summer. See tulip cultivation for more details
Diluted bulb flowering feed biweekly during spring pre-bloom growth phase