How to Fertilize tower of jewels?
Balanced perennial feed every four weeks from spring through summer

tower of jewels · Echium wildpretii
Under glass, grow in a loam-based potting compost (John Innes Number 3) in full light. Water freely when in growth, sparingly in winter. Outdoors, grow in moderately fertile, well-drained soil in full sun. Protect from winter frost in situ with horticultural fleece
Balanced perennial feed every four weeks from spring through summer