How to Fertilize French lavender 'Willow Vale'?
Balanced perennial feed every four weeks from spring through summer

French lavender 'Willow Vale' · Lavandula 'Willow Vale'
Prefers a well-drained neutral to alkaline soil but tolerates acidic conditions. In heavy soil improve drainage as lavender does not tolerate waterlogging. Potash will encourage flowering but high nitrogen fertilisers and manure will result in floppy plants. See lavender cultivation for further advice
Balanced perennial feed every four weeks from spring through summer