How to Fertilize Californian lilac 'Blue Sapphire'?
Balanced slow release feed top dressed one time each early spring yearly

Californian lilac 'Blue Sapphire' · Ceanothus 'Blue Sapphire'
Grow in fertile, well-drained soil in full sun with shelter from strong, cold winds. Lime tolerant but may become chlorotic on shallow chalk soils. See ceanothus cultivation
Balanced slow release feed top dressed one time each early spring yearly