How to Fertilize Veronica 'Lisa'?
Weak perennial flowering feed every four weeks spring to autumn

Veronica 'Lisa' · Veronica 'Lisa'
Suits a range of well-drained soils, but best grown in poor to moderately fertile, neutral to slightly alkaline soil, in a sunny spot with shelter from cold, drying winds. May need winter protection in cold winters
Weak perennial flowering feed every four weeks spring to autumn