How to Fertilize Hydrangea paniculata Fire Light ('Smhpfl')?
Hydrangea feed in spring and again early summer

Hydrangea paniculata Fire Light ('Smhpfl') · Hydrangea paniculata Fire Light ('Smhpfl')
Thrives in humus rich soil, that is consistently moist but not waterlogged. Position in sun or part-day shade; in warmer areas, plants may benefit from shade from hot afternoon sun. Mulch in spring, and provide shelter from cold, drying winds. See shrubby hydrangea cultivation for more detailed advice
Hydrangea feed in spring and again early summer